Can we transform how we power and feed the world in time to head off climate change?
The carmaker is exploring ways to find new life for its spent batteries.
For the first time in decades, more carbon emissions will come from transportation than from coal- and gas-fired power plants.
They save on electricity, but LED streetlights come with a bluish tinge may be unwelcome—or even unhealthy.
The landmark agreement could enter into force before the end of the year.
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We're on the verge of a revolution in solar, nuclear, and renewable power.
Innovations in energy storage will be key to making renewables cheap and practical.
Climate change is threatening the food supply in many places.
Fossil Fuel Transition
We still depend on fossil fuels—how will we end that?
Drought is an increasing problem in many parts of the world, but technology might help.
Responding to Climate Change
Global warming is already happening, so how will we adapt?
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