Solar and wind energy preserve groundwater for drought, agriculture

Solar and wind energy preserve groundwater for drought, agriculture

Using drought-prone California as a case study, a research team shows that increased solar and wind energy can reduce the reliance on hydropower, especially during drought. Credit: Egan Jimenez, Princeton University

Solar and wind farms are popping up around the country to lower carbon emissions, and these renewables also have another important effect: keeping more water in the ground.

A new Princeton University-led study in Nature Communications is among the … [more…]

Global coal industry using as much water as a billion people each year

map: coal-fired power plants and regions of water scarcity in the USA

We already know that coal-fired power plants are bad for the planet, but that’s usually because we are just thinking about the enormous amounts of carbon dioxide emissions they contribute to our atmosphere. A new Greenpeace report entitled The Great Water Grab sheds light on another terrifying aspect of the coal industry – its astronomical water consumption. The report suggests that the global coal industry uses the same amount of … [more…]