The federal Clean Air Act and associated environmental regulations have driven steep declines in air pollution emissions over the past several decades, even as U.S. manufacturers increased production, a study by two University of California, Berkeley, economists has shown.
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The Underestimated Cooling Effect on the Planet from Historic Fires
Historic levels of particles in the atmosphere released from pre-industrial era fires, and their cooling effect on the planet, may have been significantly underestimated according to a new study.
Why House Sparrows Lay Both Big and Small Eggs
Why does the egg size of house sparrows vary so much? Isn’t it always an advantage to be big?
Perhaps not surprisingly, baby sparrows that hatch from large eggs are consistently bigger their small egg counterparts. They can store up more reserves if food becomes scarce. So you would think that it’s always a good idea to lay big eggs because your offspring would seem to have a greater chance of survival.
An Ancient Medicine Shows New Promise: Arsenic in Combination with an Existing Drug Could Combat Cancer
Investigators have discovered that arsenic in combination with an existing leukemia drug work together to target a master cancer regulator. The team, led by researchers at the Cancer Center at Beth Israel Deaconess Medical Center (BIDMC), is hopeful that the discovery could lead to new treatment strategies for diverse types of cancer. Their findings were published today online in Nature Communications.
Rain-on-snow flood risk to increase in many U.S. mountain regions
Flooding caused by rain falling on snowpack could more than double by the end of this century in some areas of the western U.S. and Canada due to climate change, according to new research from CU Boulder and the National Center for Atmospheric Research (NCAR).
A Diverse Diet May Not Be the Healthiest One
Encouraging people to eat a wide variety of foods to ensure they meet all their dietary needs may backfire, according to a new scientific statement from the American Heart Association that provides an overview of recent scientific studies.