Ozone pollution shrinks tropical forest growth

Published on September 25, 2024

Ground-level ozone, an invisible pollutant, hampers tree growth and reduces carbon absorption, potentially making tropical forests less effective as carbon sinks than previously estimated.

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Colorado launches first-of-a-kind landfill methane monitoring program

September 25, 2024
Landfills are the third-largest source of methane, a super-pollutant greenhouse gas that traps 80 times more heat than carbon dioxide over a 20-year period. While the EPA places caps on methane and other emissions from landfills, experts say that monitoring and enforcement is largely on an honor system. An analysis…

Put a price on shipping emissions

September 25, 2024
While shipping is essential to the global economy, so is reducing the associated pollution. Requiring shipping companies to pay for their vessels’ greenhouse-gas emissions would go a long way toward advancing this objective.