Pollution

Trump: EPA to hit San Francisco with violations notice over homeless crisis

Trump visits the US-Mexico border fence in Otay Mesa, California on September 18, 2019.
Photo: Nicholas Kamm/AFP/Getty Images

President Trump told reporters aboard Air Force One Wednesday night that the Environmental Protection Agency will issue a notice to San Francisco declaring it has committed environmental violations because of its homeless crisis.

Details: Per pool reporter Peter Baker, Trump said the EPA would serve the city of San Francisco with a notice because there was "tremendous" pollution flowing into the ocean because of waste in storm sewers, specifically citing used needles. 

Expert Voices

How cities are cutting down on light pollution

View of the U.S. at night with city lights.
View of the U.S. at night. Photo: NASA via Getty Images

As cities invest in technology upgrades, they have an opportunity to reduce light pollution, which impacts 99% of people in the U.S. and Europe.

Why it matters: Pollution is typically thought of as air, water and soil contamination, but light pollution — including from streetlights that cast excessive light — also harms the environment, human health and the stability of the global ecosystem.