Global Warming
Out of context: Reply #647
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The world’s wealthiest 10% caused two thirds of global warming since 1990.
Wealthy individuals have a higher carbon footprint. A new study published in Nature Climate Change quantifies the climate outcomes of these inequalities. It finds that the world’s wealthiest 10% are responsible for two thirds of observed global warming since 1990 and the resulting increases in climate extremes such as heatwaves and droughts.
The study assesses the contribution of the highest emitting groups within societies and finds that the top 1% of the wealthiest individuals globally contributed 26 times the global average to increases in monthly 1-in-100-year heat extremes globally and 17 times more to Amazon droughts.
The research sheds new light on the links between income-based emissions inequality and climate injustice, illustrating how the consumption and investments of wealthy individuals have had disproportionate impacts on extreme weather events. These impacts are especially severe in vulnerable tropical regions like the Amazon, Southeast Asia, and southern Africa – all areas that have historically contributed the least to global emissions.