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In a time when half a degree more or less warming, might be the difference between tens of millions of people becoming climate refugees, and hundreds of millions (or even billions), the idea that without our forests the planet would be at least half a degree warmer, should give us even more incentive to protect the forests that remain.
The coral itself is actually usually quite a dull colour, the brilliant colours of coral reefs come from the algae that lives within its coral tissue. These algae’s are called Zooxanthellae and in return for their home, the algae supply most of the corals nutrients.
The problem, is that these algae are very sensitive to temperature changes, and so if the sea remains unusually warm or cold for more than a few days, the algae leaves the corals and this is called a bleaching. This bleaching has occurred more and more recently in the last few years.
As a result of this, it is feared, that up to 90% of the corals worldwide will be lost by 2050.
This is where the red sea corals become so interesting.
Just 2 years ago, researchers found some corals in the Gulf of Aqaba, a trench between Israel, Jordan and Egypt which could withstand higher temperatures for longer. Just 1 degree above normal, sustained for a week can be enough to cause bleaching. If the temperature does not fall quickly, the corals will die. Yet here, corals have been seen to survive temperature rises above 7 degrees. It is thought that these corals have developed these abilities because they regularly suffer large temperature changes.
If they can identify corals that have this ability, and translocate them into new reefs, they will cross-breed. As the heat resistant corals are heat resistant, they are likely to survive far longer and therefore be able to pass on their heat resistant trait into the whole reef.
Given the rapidly warming planet, we only have about 30 years to act. Apart from their own intrinsic value, coral reefs are also worth roughly $600,000 per square kilometre each year, through protecting coastlines, increased tourism, medication and a whole lot more effects.
This is a fantastic possible save for the worlds reefs, time will tell if it works.
At 35 degrees Celsius the human body can no longer regulated temperature effectively. Indeed even healthy people sitting in the shade at this temperature turn to last not much more than 6 hours.
If we have 4 degrees of global warming, half of the population on earth will fall into the dangerous category of extreme heat.
Currently, Brazil India and Ethiopia are the hardest hit by extreme heat, but at 4 degrees Celsius, this will increase dramatically impact in large parts of Europe as well as lots of other parts of the developed world.
The scary statistic is that even if we hit 2 degrees of warming, this will still put more than 1 billion under this horrific heat condition.
Continue reading “At the moment the world’s current maximum temperature rise would make life impossible for 1 billion people on the planet”There is much to be pleased about with how the cop26 conference went, unfortunately we are still not at a point where the promises made are going to meet the targets we know we need to hit. It seems that at least for now, the Climate change deniers have now been banned from the room – climate change ‘realists’ who basically claim nothing can be done and it is nothing to do with humans, are unfortunately still being listened to in some places.
It is now recognised that while 2 degrees Celsius has been listed as a maximum increase target for some time, warming of this quantity will leave the world in a very poor place.
This is why for a long period, when these gatherings have occurred, the aim has been to reduce carbon emissions by enough to hit 1.5 degrees Celsius rise.
All of the current promises would get us to 1.8 degrees Celsius rise. Now it is encouraging to be that close, however clearly we have not succeeded yet.
There are other significant issues. Most countries promise to phase out the use of coal for electricity generation. This is because it is widely recognised that energy generation from coal is one of the most polluting. Unfortunately China, India, the US and Australia failed to join in this pledge. It should be remembered that Climate change is expected to cause the biggest financial burden on India US and Brazil, so it should be a self preservation move for these countries to help, but as yet this does not seem to be happening.
It should be noted that these countries do not deny the science they nearly aren’t willing to engage in a sensible solution.
Methane emissions are 80 times more warming that carbon dioxide. They do not stay in the atmosphere for ever, but in the short term, they could still cause the human race an enormous task which could quickly become unmanageable. Methane (natural gas) is often found in the same place as oil yet, bizarrely, extractors are generally after one or the other. By making rules on methane capture, significant quantities can be stopped from escaping into the atmosphere, never mind the fact that this methane can then be sold, greatly increasing income.
According to a recent NASA study, methane is responsible for about 25% of the global warming that has occurred since the industrial revolution.
Under Obama the central American government tightened rules on methane extraction in an attempt to deal with this issue. The larger companies engaged with the new rules, but unfortunately the smaller companies which are responsible for much of the fracking that occurs complained and the EPA under Trumps oversight (Trump had installed many fossil fuel executives into its ranks) reversed these cuts.
The industry claimed that there was not much leakage and that the problem was under control. Unfortunately this was a lie. At the same time that they were claiming tiny leaks publicly, privately they were admitting to a huge problem.
So far, these lies which are going to cost the world population have not been punished at all. What is worse, we wouldn’t know about the behaviour were it not for a secret recording made of a member of the independent petroleum association. According to the recording Ron Ness president of the North Dakota Petroleum Council told the meeting “We’re just flaring a tremendous amount of gas. This pesky natural gas. The value if it is very minimal”. A few months later, the same organisation had a lawyer state that it is not in their interests to let even a molecule of gas escape.
Yet this requires us to be fools. The most long lasting view of an oil rig is with a flame blowing out, burning off excess gas.
We need to make pollution the expensive option. If venting is the cheapest way to work, lets tax it to such an extreme level that it is worth their while to catch the waste. Of course the best way to end this practice is for the producers to go out of business. While we are moving in that direction at a reasonable speed, it is perhaps too slow for the survival of the way of life that we humans have got used to over the last few millenia. If we continue as we are, the climate we will leave for out children will not be as pleasant.
It is an unfortunate fact, all over the world, that people have chosen to live near the sea. There are many reasons for this, but the basic fact is that this is often the most productive land.
The problem now, though, is that all these peoples lives are liable to change. This is because small rises in sea levels could make them homeless. As much as 1 billion people live at low enough elevation to make this a threat.
Countries like Bangladesh are very flat, and it is estimated that as many as 20 million people within Bangladesh would become homeless by 2050 under current trends (this assumes that we meet our carbon cut targets. There would be many others that would be lost.
Forgetting the hundreds of millions of people in the developing world, there are famous buildings and places which should underline this issue in the west as well.
Buckingham palace would be under water up to the first floor if we fail to act. A temperature rise of 1.5 degrees C would merely bring the water level to the front door. Many other famous buildings such as the pentagon, the tower of London and Tokyo tower in Japan would all be lost.
This is all a long winded way of stating, that even with the dramatic cuts the world is hoping to make over the next few decades, many people on earth are still likely to loose their lives have their lives changed dramatically, in most cases for the worse.
There is a constant complaint from vested interests, that the price of greening the world economy is just too high. Of course, when the world-wide economy needs a boost, these concerns go out of the window (until the emergency is over, then even these costs might be used to argue against saving the planet).
Continue reading “Only 10% of the $17 trillion spent on Covid recovery went toward projects that would cut carbon emissions and restore nature”In an effort to help with cooling the planet, scientists have created the whitest white paint ever. In a similar way to the formation of Vantablack – the blackest black paint, this paint has a variety of uses.
This paint is so reflective, it can cool surfaces it is painted onto by as much as 10.6°C. This paint reflects up to 98.1% of light hitting it.
In a warming planet, being able to cool things without energy is essential.
The manufacturers estimate that painting a 1000 square foot roof in this paint will give you the cooling power of about 10kw – more powerful than the air conditioning used by most houses. Currently, around 10% of electricity is used for cooling. On current trends, this is expected to grow to 40% by 2050.
Currently there is a lot of effort going into reducing energy used for heating, but it is clear that this effort also needs to go into cooling.
The Forest ACT bill would make global suppliers responsible for the illegal deforestation that their products cause.
This is a long overdue issue. Currently, large companies will structure things in such a way, that small farmers and other land users are encouraged to deforest their land, knowing that the big company wishes this, and will buy all their resources.
It cannot work this way. If these companies are made legally responsible for any deforestation that occurs to provide their products, they will manage to put an end to illegal deforestation over night.
As well as enacting this process nationally, the bill would require USA trade partners to buy in on these new rules.
Will it work? Who knows, but it is likely to have a huge impact on deforestation, as if this rule is implemented, it will never pay to deforest.
It cannot be the be all or end all, but is a fantastic first step.
I was watching a YouTube video on Tuesday which raises an important point.
Why do people on the whole continue to believe climate science is not settled, or that all of climate science predictions have been way out? This is not generally a belief that we come to on our own, it is usually fed to us by vested interests (either directly by fossil fuel companies, or indirectly by a publication which is sponsored, though this sponsoring is not always clear).
One of the most disgusting ways they do this, which is raised in the video, is by looking at a graph with a number of possible future lines. They then ignore the lines that are accurate and clearly mimic the warming that actually occurred, and simply leave the graft lines which were an extreme prediction in one or other direction.
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What can we do about this? Our animal brains tend to pick and choose evidence that support the views we have already come to – this process often occurs without us even noticing.
It is therefore quite problematic if people are giving us a view of these climate science predictions from the past (in this case the graph created by a climate scientist called Hanson back in 1988, he plotted four possible temperature patterns, and one of them predict real-world temperature rises to a terrifyingly accurate degree.
So what people have done is to take an extremely clever piece of climate science that has accurately predicted the temperature rises over the last 40 years, and made a significant number of people believe that he had it completely wrong.
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Now it is true that if you have an inquiring mind, one article is not likely to sway you. However, if, like many other people you believe something similar to what is being said in the article you are likely to trust it and may not search out others to check the veracity.
As the video shows, many vested interests have simple shown (as you see in the video) the observed temperatures (black line) and Scenario A (the red line). It is true that Scenario A overestimated the warming that we would experience. However, that is precisely the point – Scenario A represents what would have happened if humanity had continued as though there was no warning.
But that is not true! Many people would argue that we are not doing enough (and it is hard to argue this isn’t a legitimate concern) but we have done something.
Carbon emissions in some countries have fallen dramatically. This is nothing to the amount of cutting that is required, but we have made progress.
Hansens actual prediction of where we would stand at this point, is scenario B. This at the point of the last actual data is right on the money. Actual observational data always takes time to come in, so we are yet to see if observational data will follow the latest rise that Scenario B shows. But it is surely clear to even people who rarely use maps, that predictions of the last 30 years have been alarmingly close to what was predicted back in 1988
What can we do?
The simple fact is that the climate science on global warming is settled. When politicians try to run on a concept that goes against this they should be called out for it. It is true that democracy does not always give you the best candidate. In recent times we have lived through for years where America elected a person who believed things that were totally out of line with established science.
We need to reach a point where if someone is stating something as fact which is clearly not, not only should they fail to be elected but the falsehoods they have spread should be corrected.
Furthermore, businesses that are responsible for large quantities of pollution should not be able to get away with whitewashing their responsibility. Look at who you are giving your custom to. If they are damaging the planet, and you are paying them for services then the damage is in your name and you are responsible (morally if not at the current time financially).
As consumers we have a great deal of power. Sure we want good quality items that don’t cost too much, but we also do not want them to harm the planet. Engage with the businesses, if they are doing things that are bad for the planet. If they will not engage with you, then stop buying anything from them! If large numbers of their customers decide to go elsewhere businesses will quickly change their ways.
It was always foolish when Donald Trump stated that some action was too expensive.
Humanity will have to pay. If we do not pay to fix our mess now, then future generations will suffer the consequences.
If we do not act now, we are passing on the responsibility to our children and grandchildren – and they are likely to have to pay tens or hundreds of times what we considered too much. The cost will be paid, the bill that we are currently saying is too high, is tiny compared to the costs that we are passing on to our children. This is one of the issues with democracy – it is all very well to say that democratically elected leaders will work in the greater good, but the way elections work they only have to take into account the current voters. It is our job to make sure that short term policies do not win elections.
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