A reader wonders if her air conditioner's energy saver option really makes a difference. Umbra is cool to the idea.
While many national governments struggle to take comprehensive action on climate change, major cities around the globe are acting on their own.
A young farmer talks about raising pigs on pasture, knowing where your food comes from, and speaking up for the food system you want.
A wind project in Wyoming and another off the coast of New England will help us transition to a future without coal.
When journalists cover extreme weather and climate change, they often include disclaimers about how no one event can be definitively blamed on climate change. Stop it, already.
Jane Lubchenco, head of NOAA, said Americans are connecting the dots between climate change and recent severe weather. When will political leaders make the issue a priority?
The "most productive corn crop in years" is drying up and shrinking fast. Is our dependence on monocrops heightening the impact of this year's drought?
Clean energy subsidies are really very small in the grand scheme of things, says Michael Liebreich of Bloomberg New Energy Finance. Consider that we're spending $83 billion a year just to patrol the Straits of Hormuz.
A reader wonders if she should make her young sons bathe more frequently. Umbra comes clean.