E-Buuy

21/11/2023

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02/08/2023

Scientists say limiting temperature rise to 1.5C is crucial to avoid the most dangerous impacts of climate change - although these increase with every extra increment of warming.

The 1.5C warming limit was partly designed to avoid crossing so-called "tipping points".

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.

24/07/2023

This has led to questions about fairness, because these places have typically contributed only a small percentage of the greenhouse gases which caused climate change in the first place.

However, 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.

06/07/2023

The planet's oceans and its habitats are also under threat. Research published in April 2022, funded by the US National Oceanic and Atmospheric Administration, suggests that between 10% and 15% of marine species are already at risk of extinction.

In a warmer world, land animals will also find it harder to find the food and water they need to live. For example, polar bears could die out as the ice they rely on melts away, and elephants will struggle to find the 150-300 litres of water a day they need.

Scientists believe at least 550 species could be lost this century if action is not taken.

22/04/2021

26/03/2021

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