Energy & Green Tech

Harvesting water from air with solar power

More than 2.2 billion people currently live in water-stressed countries, and the United Nations estimates that 3.5 million die every year from water-related diseases. Because the areas most in need of improved drinking water ...

Energy & Green Tech

Used electric vehicle batteries charge up the grid

Researchers at Oak Ridge National Laboratory have developed an innovative control system for repurposed electric vehicle battery packs to store electricity for home use and are scaling up the technology to a large, power ...

Energy & Green Tech

Latin America poised to become renewable energy giant: report

Latin America is poised to become a major renewable energy producer, with nearly a billion solar panels' worth of large-scale clean-electricity projects slated to come online in the next seven years, a report found Thursday.

Engineering

Mimicking 'plant power' through artificial photosynthesis

Solar panels are an increasingly popular way to generate electricity from the sun's energy. Although humans are still figuring out how to reliably turn that energy into fuel, plants have been doing it for eons through photosynthesis.

Energy & Green Tech

Made in the shade: Growing crops at solar farms yields efficiency

In the threatening trouble of climate change, growing commercial crops on solar farms is a potentially efficient use of agricultural land that can both increase commercial food production and improve solar panel performance ...

Energy & Green Tech

Interest rates are a decisive factor for competitive renewables

Renewable energy has become competitive—and one often-overlooked reason is the reduced cost of financing. Researchers from ETH Zurich and the Potsdam Institute for Climate Impact Research (PIK) have modeled different scenarios ...

Energy & Green Tech

Study: Enough rare earth minerals to fuel green energy shift

The world has enough rare earth minerals and other critical raw materials to switch from fossil fuels to renewable energy to produce electricity and limit global warming, according to a new study that counters concerns about ...

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