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Bill Gates shares his plan for avoiding climate disaster

Feb 17, 2021
In his new book, Gates explains why investments like making concrete "greener" will prevent extreme climate change.
Gates calls cement an example of a common material that must evolve as part of the effort to mitigate climate change.
John Keatley

Tesla promised a big announcement on batteries. Now its stock is tumbling.

The announcement fell short of what investors were expecting.
The manufacturing plan for these new batteries isn’t done and we won’t see them in Teslas for a few years.
Spencer Platt/Getty Images

Costs are falling for renewable energy stored in batteries

Jan 29, 2019
Battery storage is getting to houses through electrical lines, maybe even yours.
"We're talking about about 80-85 percent cost reduction over the past decade for battery storage [of renewable energy]," said Ravi Manghani, director of energy storage at energy consulting firm Wood Mackenzie.
Andreas Rentz/Getty Images

Can Elon Musk deliver on Tesla's Model 3s?

Feb 20, 2018
One reporter took it upon himself to determine how many cars the company is making

Will the U.S. invent the next generation of batteries?

Dec 8, 2017
A potential lack of government funding could help other countries pull ahead.
GERARD JULIEN/AFP/GettyImages