'One Mississippi...' How Lightning Shapes The...

Around the world, the planet’s freshwater is getting saltier. And it’s because of people. For decades, salting roads, fertilizer run-off and evaporation driven by human-caused climate change have upped the salinity of lakes, rivers and groundwater. All that salt is detrimental to ...  Show more

Groundwater is responsible for about half of the water people use globally. It’s drying up. Hayes Kelman started noticing the family farm in western Kansas was slowly getting less water around the time he was in high school. Now, as an adult and co-owner of Kelman farms, he is ac ...  Show more

Category 5 hurricane Otis, which devastated Acapulco, was supercharged by global warming; hurricane expert Kerry Emanual tells Science in Action. Also, Brazilian ecologist Erika Berenguer has witnessed the destruction caused by the prolonged drought in Amazonia, where the rivers ...  Show more

When many in California talk about this year’s wildfires, they describe the color — the apocalyptic, ominous, red-orange glow in the sky.

The state’s current wildfires have seen two and a half million acres already burned.

Climate change has made conditions ripe fo ...

Tree mortality in tropical moist forests in Australia has been increasing since the mid 1980s. The death rate of trees appears to have doubled over that time period. According to an international team of researchers, the primary cause is drier air in these forests, the consequenc ...  Show more

Last year wildfires in the Amazon made headlines news. This year we've hardly heard about them - but that doesn't mean they're not happening. In fact the number of rainforest fires in Brazil rose by almost 20% in June, reaching a 13 year high, according to government data. Some e ...  Show more