The beginnings of the mighty Colorado River on the west slope of Rocky Mountain National Park are humble. 

Sea level rise puts coastal areas at the forefront of the impacts of climate change, but new research shows they face other climate-related threats as well. 

The images shook the world: Ethiopian children dying of starvation as their emaciated parents looked on, victims of the food shortage and hunger crisis that struck the drought- and conflict-riddled nation from 1983 to 1985.

Heat trapped by greenhouse gases is raising ocean temperatures faster than previously thought, concludes an analysis of four recent ocean-heating observations.

While most developed countries have reduced the construction of large dams for the production of electricity in recent decades, developing countries, including Brazil, have embarked on even more massive hydropower developments.

A study led by researchers at the ARC Centre of Excellence for Coral Reef Studies at James Cook University found fish become anxious and more cautious when water quality is degraded by sediment, an effect that could stunt their growth and damage their health.

In September 2014, William Precht received an alarming phone call. “I’m seeing something funky out on the reef,” a colleague reported. “It looks like disease.” 

A Western-led project to discover and decode tornadoes in remote Northern Ontario has spun into a nationwide mission to identify every Canadian tornado in 2019

Natural disasters caused $160 billion in economic damage worldwide in 2018, dominated by costly wildfires in California and tropical storms in the United States and Asia, according to a new report from the reinsurance giant Munich Re. California’s Camp and Woolsey fires alone caused losses of $21.7 billion, $16.5 billion of which was insured.

Spring snowpack a bigger predictor of lake warming than air temperature.