Big food companies like Walmart want farmers to reduce greenhouse emissions from nitrogen fertilizer. But the best-known program to accomplish this may not be having much effect.
Testing President Trump's promise to get tough on trade, two U.S. solar panel manufacturers are seeking to impose a tariff on panels made overseas. But many in the industry warn it could cost jobs.
Walmart has promised big cuts in emissions of greenhouse gases. To meet that goal, though, the giant retailer may have to persuade farmers to use less fertilizer. It won't be easy.
Growing marijuana takes a lot of energy, which comes into conflict with state efforts to reduce greenhouse gases. Now, some places are helping the pot industry to become more energy efficient.
Farmers are starting to grow new crops in winter, when their fields usually lie fallow. Meanwhile, air pollution, which contributes to climate change, is weakening India's solar energy production.
Throughout human history, solar eclipses have been seen as having great religious significance, often as omens or signs of divine warning or punishment. Major and minor religions alike have their own understandings.
The move reverses an Obama-era policy put in place to encourage national parks to end the sale of bottled water. The aim was to cut back on plastic litter.
On a sunny day, California gets up to 40 percent of its energy from solar power. Monday's total eclipse isn't just a scientific spectacle, it's a major concern for the state's power grid.