Key Points
In 2015, the Paris group arrived at a target of keeping the global temperature rise below 1.5 degrees Celsius..
And without such policies, this new target seemed like a cruel promise to those for whom the difference between 1.5 and 2 degrees Celsius is their livelihoodsmostly the Small Island Developing States (SIDS) scattered across the worlds oceans..
Many countries now have net-zero targets: If they actually meet them, its projected that we could stay under 2 degrees Celsius of global warming...
What made me so pessimistic in 2015 was that tackling climate change was going to be prohibitively expensive: Not only were rich countries going to gulp at the price tag, but there was no chance middle- and low-income countries could afford to act..
There will be increasing tension between developed and developing countries, as rich countries have fallen short on their previous commitments to provide $100 billion per year in climate finance to help low- and middle-income countries (LMICs) invest in low-carbon technologies and adapt to climate impacts..
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