Dear EarthTalk: I know that some large buildings filter some of their wastewater to irrigate exterior landscaping. Is there an affordable way to do this at home? — Bill P., Salem, OR Now that solar panels are so commonplace on rooftops across the country, reusing so-called greywater—that is, the waste water from sinks, showers, tubs and […]
Dear EarthTalk: What is being done to safeguard grizzly bears now? I heard that their numbers are dwindling and they could vanish from the Lower 48 if we don’t protect them. —Jim Meth, Akron, OH Before European colonization of North America, upwards of 50,000 grizzly bears—also known as brown bears—roamed free across what is now […]
Just a few years ago, many people found the possibility of solar powered roadways absurd. However, several scientists now believe the idea has real potential. Scott and Julie Brusaw came up with the idea eight years ago as a way to reduce greenhouse gases. Their company, Solar Roadways, builds glass-topped solar panels that can withstand […]
This past September, a historic number of people gathered across the world to march for climate change. The People’s Climate March took place in Manhattan, London, Berlin, and several other places, gathering hundreds of thousands of people. In Manhattan alone, as many as 400,000 people marched, calling on politicians to take greater action. The marchers ranged from […]
