Natural gas, biomass surpassing coal as biggest pollutants, study finds
Dirty emissions from coal-fired power plants have been declining in recent years. But other sources of air pollution—including soot from the burning of gas, biomass, and wood in buildings—now have more negative health effects than coal combustion, according…
Policies to keep fracking from harming health may be inadequate
Policies aimed at protecting people from adverse health impacts related to fracking may not work as intended, according to a new study led by Harvard Chan School.