Switching gears on global warming to a healthier state may seem overwhelming, given our current condition. However, agents of positive change are active across the globe, and…

Invasive species degrade biodiversity, incur large economic costs, and threaten indigenous plants and animals with potential extinction. Literally thousands of such species have…

An astounding photograph and two ecological catastrophes combined with a classic book to inspire a crusading U.S. senator to institute what he called a “national teach-in.” Fifty…

The green cities movement can benefit cities’ economies, citizens’ health, and the world’s climate. Here’s an overview of the movement – its benefits, its complexities, the most…

Rewilding – the process of taking dead or industrialized areas and reintroducing nature to them – has helped revitalize ecosystems across the globe. It can even help us tackle…

Coronavirus and climate change are different catastrophes, but plans like the Green New Deal could move the economy away from fossil fuels while also combatting COVID-19.

Climate change is impacting the basic systems of the planet. Shifts in temperatures and weather patterns around the globe are being set off by the rapid disappearance of polar sea…

Endangered and threatened species face possible extinction. Leading the effort to save them is the International Union for the Conservation of Nature, which publishes the “Red…

America’s national parks are disproportionately vulnerable to the effects of climate change, and the political prominence of climate deniers isn’t helping. But the parks could…

Is the human population growing? Yes. Will overpopulation eventually threaten our species? Some leading experts say, “No.” There are many worries about overpopulation, but…