Africa's population is projected to reach approximately 2.4 billion by 2050, compared with the estimate for 2025 of about 1.5 ...

The country’s “extra heavy” oil packs some of the highest associated greenhouse gas emissions of any crude oil.

When you dream of a perfect getaway, you probably envision peaceful moments, unobstructed views, and the freedom ...

MIT professor Kate Brown discusses her new book, ‘Tiny Gardens Everywhere,’ and the power of urban gardens to transform ...

Ecological stress takes the form of failed rains, erratic snowfall, vanishing water streams and dried-up rivulets.

Americans should eat more whole foods and protein, fewer highly processed foods and less added sugar, according to the latest ...