Engineering

How green cities could remove CO₂ from the atmosphere

More than a thousand cities around the world now have "net zero" pledges: they want to emit only as much CO2 into the atmosphere as they can simultaneously recapture. An elaborate meta-study has now summarized the state of ...

Economics of global warming

The economics of global warming refers to the projected size and distribution of the economic costs and benefits of global warming, and to the economic impacts of actions aimed at the mitigation of global warming. Estimates come from a variety of sources, including integrated assessment models, which seek to combine socio-economic and biophysical assessments of climate change.

At an Intergovernmental Panel on Climate Change (IPCC) conference in April 2007, delegates from 120 nations discussed the specific economic and societal costs of mitigating global warming, and eventually approved the IPCC Fourth Assessment Report.

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