Weather / Climate

NASA Highlights Drought, Mars, Arctic Warming at Science Conference

Long ago, in the largest canyon system in our solar system, vibrations from "marsquakes" shook soft sediments that had accumulated in Martian lakes. The shaken sediments formed features that now appear as a series of low hills apparent in a ...
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Renewables offer quick fix for US emissions

The US could reduce greenhouse gas emissions from electricity generation by 80% below 1990 levels within 15 years just by using renewable sources such as wind and solar energy, according to a former government research chief. The nation could do ...
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The Sun Is Coming!

Earth got off relatively easy last week after being hit by the biggest blast of solar radiation since 2005—but we may not be so lucky next time. Last week's coronal mass ejection, in which a solar flare whipped an arc ...
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Ancient Ecosystem Response To Mass Extinction

Ancient Ecosystem Response To Mass Extinction

As the planet faces the dawn of a sixth mass extinction, scientists are searching for clues about the uncertain road ahead by exploring how an ancient ecosystem collapsed and bounced back from traumatic upheavals. A new study follows the lengthy ...
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Antarctica’s warming shock

Western Antarctica is heating up faster than almost any other region on earth, increasing the risk that a huge ice sheet there could collapse and cause a drastic rise in sea levels. That’s the alarming conclusion of climate researchers who ...
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Hailstone balls

Hailstone – Lack of hail causes concern

What is hail or a hailstone? Hail is a form of precipitation that occurs when updrafts in thunderstorms carry raindrops upward into extremely cold areas of the atmosphere where they freeze into balls of ice. Hail can damage aircraft, homes ...
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Medieval Period Was Warmer Than Expected

One of the most common arguments of those skeptical of global warming is that the Medieval Warm Period (800-1400 AD) was as warm as or warmer than today. Using this as proof to say that we cannot be the cause ...
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Vines strangle carbon storage in tropical forests

Tropical forests account for a third of the total carbon fixed by photosynthesis. Lianas' increasing abundance may be driven by changing climate, increased disturbance or by more severe seasonal drought. By reducing the ability of tropical forests to accumulate and ...
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The big melt: Antarctica’s retreating ice could re-shape Earth

CAPE LEGOUPIL, ANTARCTICA: From the ground in this extreme northern part of Antarctica, spectacularly white and blinding ice seems to extend forever. What can’t be seen is the battle raging thousands of feet below to re-shape Earth. Water is eating ...
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Carbon rise keeps water in drylands

The drylands of the world are getting greener, and researchers think it is thanks to higher levels of carbon dioxide in the atmosphere. In a paradoxical discovery, even as landscapes become increasingly at risk of desertification, they may also look ...
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