Science, Tech & Environment

Our stories cover science, technology, engineering, mathematics, the natural world and the environment

Science, Tech & Environment

A Silicon Valley engineer is on a quest to green the world by making buildings smarter

To head off the worst impacts of climate change, scientists warn that we need to cut global carbon emissions by perhaps 70 percent by mid-century. There are two basic ways to get there: replace fossil fuels with renewable energy sources, or use a lot less energy. One way to focus on that solution is to make buildings smarter.

Science, Tech & Environment

Donald Trump sees the future in coal. China sees the future in renewables. Who’s making the safer bet?

China says it'll invest an additional $361 billion in renewable energy projects by 2020, and in the process create 13 million new jobs. The move's in sharp contrast to Donald Trump's promise to reinvigorate the coal industry in the US. Mary Kay Magistad of The World's "Whose Century Is It?" podcast says China seems to have a clearer vision of the future.