With modest transfers per ton of net CO2, Brazil would find it optimal to choose policies that produce substantial capture of greenhouse gasses in the next 30 years, suggesting that the management of tropical forests could play an important role on climate change mitigation in the near future.

Areas affected by the 1950s drought where access to credit was constrained experienced sharp declines in bank lending, net emigration, and population declines. In contrast, agricultural investment and long-run productivity increased in drought-exposed areas with access to credit, even allowing some of these areas to surpass similar areas that were unaffected by the drought.

Households and small businesses paid an extra $204 million and $92 million annually, respectively, in Upstate New York because of increased electricity consumption from cryptominers; while in China, where electricity prices are fixed, rationing of electricity in cities with cryptomining deteriorates wages and investments.

The total amount of ESG-related tilts in institutional equity portfolios is about 6% of the institutions’ assets under management, a fraction fairly steady from 2012 to 2021; the industry tilts increasingly toward green stocks, due to only the largest institutions, while other institutions and households tilt increasingly toward brown stocks.

Human death rates increased by more than 4% in vulture-suitable districts after these birds nearly went extinct; additionally, evidence points to an increase in feral dog populations and rabies, along with diminished water quality in affected regions.

Advances in remote sensing and real-time monitoring technology are rapidly and radically lowering the costs...

A carbon tax rebated locally can, if not too large, increase the size of an economy by concentrating economic activity in its high-productivity, non-agricultural core, and by incentivizing immigration; these predictions hold for the United States and the European Union.

Citizen engagement, especially public engagement through social media, leads to a significant improvement in government enforcement, and a reduction in air and water pollution.