Air quality and climate change intertwine in unexpected ways.

Coal combustion is not only the single most important source of CO2, accounting for more than a third of global emissions, but also a major contributor to detrimental effects on public health and biodiversity.

Aviation accounts for approximately two to three per cent of global greenhouse gas emissions.

Our domestic recycling infrastructure was never developed, so there was no economical or efficient way to handle recycling when the market disappeared.

Trojan scientists are raiding deep fryers, developing alternative crops and turning to kelp in their quest to create renewable biofuels.

On the Chinese Loess Plateau (CLP), a project named "Gully Land Consolidation" (GLC) has been implemented in rural watersheds to offset the farmland loss induced by "Grain for Green Program".

The 500-megawatt Núñez de Balboa photovoltaic plant in Spain will supply energy to 250,000 people per year.

Scientists measure the climate benefits of alternatives to petroleum fuels.

Chinese authorities are investing heavily in green energy. The country has become a world leader in solar and wind power. This rapid expansion was made possible by the approach taken by authorities.

In 2015, a group of middle school students from Falmouth, Massachusetts, noticed a problem in their local waterways: plastic was everywhere.