The science is clear—greenhouse gas emissions are making the planet hotter. If they keep rising, we face unacceptable risks including the loss of the Amazon rainforest, sea level rise and frequent failures of staple crops.
Since humans started burning fossil fuels, the average global temperature has risen by just over 1ºC—see this graph from NASA. That might not sound like much, but it is already causing a marked increase in fires, floods, crop failure and extreme weather across the planet. Every extra fraction of a degree amplifies these effects, adding to suffering and economic cost both here in the UK, and around the world. And the longer we leave it, the greater the risk of crossing dangerous tipping points which would accelerate warming, threatening our very way of life.
There is still time to act, to clean our air and restore and protect nature. Scientists tell us that it is not too late to bring climate change under control and restore the health of the natural world for our children and grandchildren, but only if we are prepared to take bold action immediately.
David Attenborough said in 2019: "It may sound frightening, but the scientific evidence is that if we have not taken dramatic action within the next decade, we could face irreversible damage to the natural world and the collapse of our societies. We are running out of time, but there is still hope."
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