World temperatures are rising because of human activity, threatening every aspect of human life.
How will future climate change affect the world?is crucial to avoid the most dangerous impacts of climate change - although these increase with every extra increment of warming.These are thresholds beyond which changes could accelerate and become irreversible in different parts of the Earth's climate system, such as the collapse of the Greenland Ice Sheet.
But it's not clear precisely where these thresholds sit. Some may have already been crossed; some may be further away than first thought.would be on average 4C warmer at mid-latitudes , versus 3C at 1.5Cmore than 99% ofmay be exposed to climate-related risks and susceptible to poverty by 2050 than at 1.5C.
About 3.3 to 3.6 billion people are classed as being highly vulnerable to climate change, according to the UN's climate body, the IPCC. People living in developing countries are expected to suffer the most as they have fewer resources to adapt.these places have typically contributed only a small percentage of the greenhouse gasesHowever, impacts in one place can have knock-on effects for all regions. For instance, people being displaced from one area could lead to mass migrations, and crop failures linked to extreme weather could raise global food prices., almost 200 countries pledged to try to keep global warming to 1.5C.
World leaders meet every year to discuss their climate commitments. The next summit will be held in the UAE in November and December 2023.
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