Japan’s largest coral reef is now largely dead. Surface water temperatures last year were the highest recorded since records began being kept in 1982. While additional corals were bleached, those classified as dead are not expected to recover. The event supports recent warnings of the grave threat facing all of the world’s corals.
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A case has been made in favor of ultra-high-voltage direct-current transmission of electricity. The advantages offered by this technology favor a more rapid transition to renewable power when the best sources of such are remotely located. The Chinese have embraced the method and set plans for large-scale construction.
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In Germany the main power grids are rapidly increasing battery storage capacity as a way to speed development of renewable energy by providing super fast balancing services that ensure smooth and efficient operations.
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A fundamental discovery about the global warming power of methane. The key point is that methane is not simply a greenhouse gas that absorbs infrared energy much like CO2 does. It is also capable of absorbing energy directly from sunlight that has been scattered by clouds, thence having a warming effect in that part of the atmosphere. This adds 25% to methane’s total contribution to current radiative forcing (based on calculations which differ from the usual long-term comparisons made with emissions of CO2.) There are some implications that strongly support the need to reduce human causes of methane emissions, which would soon reduce the atmospheric content of the gas because of its relatively short lifespan.
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A new study provides interpretation of the exact reason for massive dinosaur deaths. It probably was due to prolonged cold and darkness following the asteroid impact, enabled by creation of enough sulfur-bearing gases to block sunlight for years. Ocean life was further extinguished by the way the coldness may have changed its circulation patterns.
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