Fourth of July fireworks spark a temporary 42 percent average increase in air pollution, a new study finds.
Air purifiers and HEPA filters combat indoor air pollution, but for a greener option, use houseplants.
For many, Earth Day is simply a day that comes and goes, but the meaning behind the day means much more just planting a few trees.
The Supreme Court’s conservative justices cast doubt Wednesday on the Obama administration’s first-ever regulations aimed at reducing power plant emissions of mercury and other hazardous air pollutants.
House Republicans targeted a key element of President Obama’s strategy for fighting climate change, releasing a bill to delay the Obama administration’s plan to limit carbon pollution.
Democrats on a congressional oversight panel are stepping up their investigation into how well states are regulating the disposal of oil and gas waste, citing continuing public concern about the potential environmental and health risks of hydraulic fracturing.
With the recent dip in oil prices, the Environmental Protection Agency wants the State Department to “revisit” how much of a toll the Keystone XL oil pipeline would have on global warming.
Three House Republican bills would prevent or delay environmental decisions, warns White House.
The Supreme Court largely left intact Monday the Obama administration’s only existing program to limit power plant and factory emissions of the gases blamed for global warming. But a divided court also rebuked environmental regulators for taking too much authority into their own hands without congressional approval.
The federal government’s new plan for reducing pollutants blamed for global warming recognizes the value of steps Maryland has already taken, Gov. Martin O’Malley said Monday.