Very high atmospheric CO2 levels can explain the high temperatures on the still young Earth three to four billion years ago. At the time, our Sun shone with only 70 to 80 percent of its present intensity. Nevertheless, the ...
Earth Sciences
May 31, 2021
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What would happen if every single patch of farmland in the tropics, from Brazil through Congo, India and Indonesia, was abandoned overnight and left to turn back into forests? That's the question we investigated in our new ...
Environment
May 27, 2021
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Middle school students learn in science class about the carbon cycle—the flow of carbon among the atmosphere, living organisms, soil and the oceans. But another, less familiar cycle also plays a crucial role in the balance ...
Plants & Animals
May 24, 2021
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Electrocatalytic CO2 reduction reaction (CO2RR), using clean electricity to convert CO2 and water into chemicals and fuels, is an effective way to simultaneously close the carbon cycle and store renewable energy.
Analytical Chemistry
May 24, 2021
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As the 2021 wildfire season begins to unfold, the memories of past seasons linger—in the lungs of people, in the communities and landscapes that burned and in the atmosphere, where greenhouse gases from wildfires continue ...
Environment
May 19, 2021
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The silicate carbon weathering sink (SCS) is the net carbon sink that affects the global carbon cycle over a period of millions of years or more. However, the magnitude, spatial pattern and evolution characteristics of global ...
Earth Sciences
May 14, 2021
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Among other things, dams serve as reservoirs for drinking water, agricultural irrigation, or the operation of hydropower plants. Until now, it had been assumed that dams act as net carbon stores. Researchers from the Helmholtz ...
Earth Sciences
May 13, 2021
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55
A seaward journey, supported by both NASA and the National Science Foundation, set sail in the northern Atlantic in early May—the sequel to a complementary expedition, co-funded by NSF, that took place in the northern Pacific ...
Earth Sciences
May 11, 2021
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On Earth, we often look toward the sky longing to know what resides in the rest of the universe. Meanwhile, 250 miles above our planet, the International Space Station is looking back.
Earth Sciences
May 10, 2021
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As humans, the weather where we live influences our energy consumption. In climates where weather shifts from hot summers to very cold winters, humans consume more energy since the body has to work harder to maintain temperature.
Ecology
May 10, 2021
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