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US vows to halve its emissions by 2030 as climate summit starts

US vows to halve its emissions by 2030 as climate summit starts
The cuts are expected to come from power plants, vehicles, and other sectors across the US economy
22 April 2021 - 14:45
US President Joe Biden in Washington on April 20 2021. Picture: BLOOMBERG/NEW YORK TIMES/DOUG MILLS
Washington The Biden administration has pledged to slash US greenhouse gas emissions by 50%-52% from 2005 levels by 2030, a new target it hopes will spur other big emitter countries to raise their ambition to combat climate change.
The goal, unveiled on Thursday at the start of a two-day climate summit hosted by Democrat President Joe Biden, comes as the US seeks to reclaim global leadership in the fight against global warming after former president Donald Trump withdrew the country from international efforts to cut emissions. ....

United States , France General , United Kingdom , White House , District Of Columbia , Donald Trump , Barack Obama , Joe Biden , Us Congress , Democrat President Joe Biden , Republican Trump , Power Plants , Climate Change , Climate Summit , Greenhouse Gases , Halve Emissions , Global Warming , Energy Plan , ஒன்றுபட்டது மாநிலங்களில் , பிரான்ஸ் ஜநரல் , ஒன்றுபட்டது கிஂக்டம் , வெள்ளை வீடு , மாவட்டம் ஆஃப் கொலம்பியா , டொனால்ட் துருப்பு , பராக் ஒபாமா , ஓஹோ பிடென் ,

Covering Climate Now: Warming will hit endemic species hardest

Covering Climate Now: Warming will hit endemic species hardest
19 Apr, 2021 05:00 PM
4 minutes to read
New Zealand s endangered chesterfield skink is among species most threatened by climate change and its impacts. Photo / Sabine Bernert
New Zealand s endangered chesterfield skink is among species most threatened by climate change and its impacts. Photo / Sabine Bernert
Thousands of plants and animals unique to the world s most stunning places could face extinction if greenhouse gas emissions continue to rise, a new study finds.
But while New Zealand has the highest proportion of endemic species of any country - half of those in our marine environment, along with more than 80 per cent of native and freshwater species, are found nowhere else - the country may not fare as badly as places closer to the equator. ....

New Zealand , South Africa , Rio De Janeiro , Estado Do Rio , France General , Sri Lanka , Mark Costello , Stella Manes , University Of Rio De Janeiro , University Of Auckland , Professor Mark Costello , Paris Agreement Set , Paris Agreement , Federal University , புதியது ஜீலாந்து , ரியோ டி ஜானிரோ , எஸ்டாடோ செய் ரியோ , பிரான்ஸ் ஜநரல் , ஸ்ரீ லங்கா , குறி காஸ்டெல்லோ , பல்கலைக்கழகம் ஆஃப் ரியோ டி ஜானிரோ , பல்கலைக்கழகம் ஆஃப் ஆக்லாந்து , ப்ரொஃபெஸர் குறி காஸ்டெல்லோ , கூட்டாட்சியின் பல்கலைக்கழகம் , அதிர்ச்சி தரும் ,

Warming-induced Carbon Emission May Be Less than Previously Assumed

Chinese Academy of Sciences
Temperature sensitivity is often expressed by the relative change of respiration at a temperature change of 10°C, which is called the Q10 value. The Q10 of terrestrial ecosystem respiration (Re) is important for quantifying climate-carbon cycle feedback.
Dr. NIU Ben and Prof. ZHANG Xianzhou from the Institute of Geographic Sciences and Natural Resources Research (IGSNRR) of the Chinese Academy of Sciences (CAS) and their collaborators found warming-induced decline in Q10 is stronger in colder regions than other locations, which may lead to less warming-induced carbon emission than previously assumed.
This study was published in Science Advances on April 9. ....

Institute Of Geographic Sciences , Natural Resources Research , Chinese Academy Of Sciences , Geographic Sciences , Chinese Academy , Science Advances , Carbon Emission , Global Warming , நிறுவனம் ஆஃப் புவியியல் அறிவியல் , இயற்கை வளங்கள் ஆராய்ச்சி , சீன கலைக்கழகம் ஆஃப் அறிவியல் , புவியியல் அறிவியல் , சீன கலைக்கழகம் , கார்பன் உமிழ்வு , உலகளாவிய வெப்பமயமாதல் , சுற்றுச்சூழல் அமைப்பு ,

Australia's 'Black Summer' Fires Have Left a Shocking Effect on Earth's Atmosphere

Australia s Black Summer Fires Have Left a Shocking Effect on Earth s Atmosphere
12 APRIL 2021
The scorching destruction of Australia s Black Summer bushfires between 2019 and 2020 provided an ominous glimpse of fire s reach in our hotter, dryer world, and the impact of the unprecedented inferno is still being measured.

Just weeks ago, scientists observed that the amount of smoke spewed from the blaze into the atmosphere rivaled that of a great volcanic eruption. Now, researchers say the giant smoke cloud was so immense, it measurably heated the stratosphere for months on end.
In a new study led by first author and climate modeler Pengfei Yu from China s Jinan University, scientists simulated the plume s emergence and evolution, showing the worst documented wildfires in Australian history left a lasting impact on the region s skies. ....

Pengfei Yu , China Jinan University , Geophysical Research Letters , Black Summer , Jinan University , Southern Hemisphere , Geophysical Research , Amp Quot , Record Breaking , சீனா ஜினன் பல்கலைக்கழகம் , புவி இயற்பியல் ஆராய்ச்சி எழுத்துக்கள் , கருப்பு கோடை , ஜினன் பல்கலைக்கழகம் , தெற்கு அரைக்கோளம் , புவி இயற்பியல் ஆராய்ச்சி , அடுக்கு மண்டலம் , பதிவு உடைத்தல் ,

WATCH: Frost Advisory Early Sunday Plus Pleasant Highs Late Day!

Updated: 7:32 PM EDT Apr 3, 2021
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A LOT OF PEOPLE ARE OUT. I JUST HAD A GREAT WALK WITH THE DOG BEFORE HEADING INTO WORK. MICHELLE: IT REALLY HAS TURNED OUT TO BE A PLEASANT AFTERNOON AFTER SUCH A COLD START. WE ARE STILL IN THE MILD ZONE. TEMPERATURES IN THE 60’S AND 70’S. 57 HIGH POINT TODAY. RIGHT NOW WE ARE AT 59 IN LIBERTY. TEMPERATURES EAST OF THE MOUNTAIN ARE WARMER. WE CONTINUE TO LOOK AT TEMPERATURES THAT WILL COOL OFF. JACKET WEATHER COMING UP. TEMPERATURES IN THE 50’S, TUMBLING INTO THE 40’S. WE SHOULD ACTUALLY BE IN THE LOW 40’S. THIS IS A BIT OF A HARD FREEZE. WE WILL SEE FROST ADVISORIES. THE FOOTHILLS WILL DEVELOP THOSE. NEAR FREEZING TEMPERATURES. PATCHY FROST COULD BE A LIGHT LIKELY SITUATION FOR ALL OF US. HOPEFULLY YOU ARE NOT DEALING ....

Easter Sunrise Services , Scattered Storm Chances Late Week , Pleasant Weather , Piedmont Triad Frost Advisory , Cold 30s , Spring Highs , ஈஸ்டர் சூரிய உதயம் சேவைகள் , சிதறடிக்கப்பட்டது புயல் வாய்ப்புகள் தாமதமாக வாரம் , ப்லெஸெஂட் வானிலை , வசந்த அதிகபட்சம் , சூரிய ஒளி ,