climate challenges

There’s a Radical Plan to Artificially Cool the Planet by Mimicking Volcanic Eruptions

There’s a Radical Plan to Artificially Cool the Planet by Mimicking Volcanic Eruptions

Some have suggested solar geoengineering — the injection of aerosols into the atmosphere to reflect sunlight away from the planet — as a way to counter global warming. However, new research suggests the radical process could do as much harm as good.

Will cheap gas at the pump stall progress on car emissions?

Will cheap gas at the pump stall progress on car emissions?

Retail gasoline prices are now as low as they were in the “roaring ‘90s.” The 1990s, that is, when the energy crisis of the 1970s had faded from American consumers’ memories, the economy was strong and the market share of sport utility vehicles (SUVs) had more than tripled over the decade.