Sherm El-Sheikh: World leaders and diplomats framed the fight against global warming as a battle for human survival during opening speeches at the COP27 climate summit in Egypt, with the head of the United Nations declaring a lack of progress so far had the world speeding down a “highway to hell”. Despite decades of climate talks so far, countries have failed to reduce global greenhouse gas emissions, and their pledges to do so in the future are insufficient to keep the climate from warming to a level scientists say will be catastrophic.
