Environment + Energy – Articles, Analysis, Opinion

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Reducing fine particle air pollution from petrochemical complexes, like this one near the Houston Ship Channel in Texas, is a low-cost way to lower air pollution mortality. AP Photo/David J. Phillip

Air pollution kills thousands of Americans every year – here’s a low-cost strategy to reduce the toll

A new study takes an innovative approach to reducing fine particle air pollution and spotlights key sources: factories that burn coal and oil, petrochemical plants and burning wood for home heating.
Sonoma County, California hired this herd of sheep from Sweetgrass Grazing to reduce invasive plants and flammable fuels and make room for native plants on protected land. Sonoma Open Space

Young California ranchers are finding new ways to raise livestock and improve the land

A new generation of ranchers is exploring sustainable ways to raise cattle, sheep and goats in California. Some are grazing herds on fire-prone lands, reducing wildfire risks and improving soils.
Rescue workers sift through debris after a mudslide that destroyed three homes on a hillside in Sausalito, Calif., Feb. 14, 2019, during an atmospheric river storm. AP Photo/Michael Short

Atmospheric river storms can drive costly flooding – and climate change is making them stronger

Earth's biggest rivers are streams of warm water vapor in the atmosphere that can cause huge rain and snowfall over land. Climate change is making them longer, wetter and stronger.
Need a handkerchief? Num LP Photo/Shutterstock

Why do onions make you cry?

Like many plants, onions have defenses to ward off creatures that may want to eat them. Their secret weapon is a kind of natural tear gas.
Rosewood, the name for several endangered tree species that make beautiful furniture, being loaded in Madagascar. Pierre-Yves Babelon/Shutterstock

Restricting trade in endangered species can backfire, triggering market booms

For decades nations have worked to curb international sales of endangered plants and animals. But in countries like China, with high demand and speculative investors, that strategy fuels bidding wars.