One of the biggest icebergs ever recorded has just broken away from Antarctica.

This week, the Climate Group’s three-year-old RE100 initiative trumpeted a major milestone: 100 large companies officially have committed to powering their operations entirely with renewable energy.

President Donald Trump’s regrettable decision to withdraw the United States from the historic Paris Climate Agreement was met with widespread dismay.

The population of North American monarch butterflies has plummeted from 1 billion to 33 million in just two decades.

India's revered Ganges and Yamuna rivers cannot be viewed as living entities, the Supreme Court has ruled.

Imagine sinking into the deepest parts of the Central Pacific Ocean, somewhere between Mexico and Hawaii.

In the grand scheme of pressing issues facing residents of U.S. cities — scarce affordable housing, high health care costs, anxiety about immigration status or racial tension, to name a few — warnings about the long-term consequences of climate change can, understandably, take a back seat.

High-resolution earth imagery has provided ecologists and conservationists with a dynamic new tool that is enabling everything from more accurate counting of wildlife populations to rapid detection of deforestation, illegal mining, and other changes in the landscape.

Never has there been a more critical time for the private sector to partner with others to tackle the critical global challenges facing our cities and communities.

Steadily rising ocean temperatures are forcing fish to abandon their historic territories and move to cooler waters.