New catalytic converters can remove toxic chemicals from the exhaust fumes of combustion-engine cars.

Thanks to humans, the concentration of planet-warming carbon dioxide in the atmosphere is now 50% higher than before the industrial era. These gases are raising Earth’s temperature.

Thanks to humans, the atmosphere has 50% more planet-warming carbon dioxide today than it did before the industrial era. Those gases will continue raising Earth’s temperature for years.

Cooking with wood and charcoal can raise indoor air pollution to dangerous levels.

Allowing the sale of gasoline that’s 15% ethanol year-round won’t have much impact on gas prices, but recent research shows that growing corn for fuel affects the climate – for the worse.

Public, government and corporate support for a world treaty to curb plastic waste is growing. Treaties addressing mercury pollution, long-range air pollution and ozone depletion offer some lessons.

West Virginia v. EPA could be the opportunity that conservative justices have been seeking to curb federal power.

Drive-throughs not only increase air pollution and emissions, but also contribute to a car-centred culture that we need to avoid.

Air pollution are typically high during the winter months in Beijing, research shows.

Sci-fi classic The Sheep Look Up has lessons for today on environmental change, says an expert.