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heat-trapping carbon dioxide levels in air hit another high




ball-and-stick model of carbon dioxide. credit: wikipediascientists report the amount of heat-trapping carbon dioxide in the air peaked again this year at record levels. the national ocean and atmospheric administration said thursday that carbon dioxide levels averaged 411.25 parts per million in ma...



heat-trapping carbon dioxide levels in air hit another high




the amount of heat-trapping carbon dioxide in the air peaked again this year at record levels, scientists reported thursday.



climate change: carbon dioxide could reach unseen levels




unchecked burning of fossil fuels could drive carbon dioxide in the atmosphere to levels unseen in 50 million years, according to a new study.researchers behind the study, published in the journal nature communications, evaluated more than 1,200 estimates of carbon dioxide levels in the atmosphere t...



carbon dioxide rise for first time in four years




(washington) — global carbon pollution rose this year after three straight years when levels of the heat-trapping gas didn’t go up at all, scientists reported monday.preliminary figures project that worldwide carbon dioxide emissions are up about 2 percent this year, according to an internationa...



presstv-carbon dioxide in atmosphere at alarming levels




carbon dioxide in atmosphere at alarming levelsthe united nations says the amount of carbon dioxide released into the atmosphere in 2016 stood at a record level “not seen in millions of years”. the un has warned that carbon dioxide is already expediting global warming at an alarming pace and say...



the state of earth's climate: boulder-based atmospheric chemist gives quick diag




the main heat-trapping gases that humans emit into earth's atmosphere – carbon dioxide, methane and nitrous oxide – are increasing faster than ever and have reached record levels.atmospheric concentrations of the co2 increased more between 2015, 2016 and 2017 than ever before during 58 years of ...



grassland plants react unexpectedly to high levels of carbon dioxide




plants are responding in unexpected ways to increased carbon dioxide in the air, according to a twenty-year study conducted by researchers at the university of minnesota and published in the journal science. for the first 12 years, researchers found what they expected regarding how different types o...



modified soybeans yield more in future climate conditions




by 2050--in the midst of increasing temperature and carbon dioxide levels--we will need to produce 70% more food to meet the demands of 9.7 billion people. researchers have modified soybeans to yield more when both temperature and carbon dioxide levels increase, which suggests that we might be able ...



hunting squid slowed by rising carbon levels




james cook university (jcu) scientists in australia have found high carbon dioxide levels cause squid to bungle attacks on their prey.



doctors: global warming is taking a toll on people's health




(washington) — global warming is hurting people's health a bit more than previously thought, but there's hope that the earth — and populations — can heal if the planet kicks its coal habit, a group of doctors and other experts said.the poor and elderly are most threatened by worsening climate ...



global warming reduces protein in key crops: study




indian farmers plant paddy seedlings in a rice field on the outskirts of amritsarrising carbon dioxide levels from global warming will drastically reduce the amount of protein in staple crops like rice and wheat, leaving vulnerable populations at risk of growth stunting and early death, experts warn...



carbon dioxide levels lower than thought during super greenhouse period




hanover, n.h. - oct. 12, 2017 - concentration of carbon dioxide during an intense period of global warmth may have been as low as half the level previously suggested by scientists, according to a new dartmouth college study.the study found that carbon dioxide may have been less than 1000 parts per m...



want efficient energy? try carbon dioxide-powered turbines




supercritical carbon dioxide is super hot, super dense, and super good at turning heat into electricity. the post want efficient energy? try carbon dioxide-powered turbines appeared first on wired.



environmental studies don't support trump's 'cleanest' claim




in this jan. 20, 2015 file photo, a plume of steam billows from the coal-fired merrimack station in bow, n.h. president donald trump said the united states "will continue to be the cleanest and most environmentally friendly country on earth" as he announced pulling out of an international accord des...



carbon dioxide levels lower than thought during super greenhouse period




concentration of carbon dioxide during an intense period of global warmth may have been as low as half the level previously suggested by scientists, according to a new dartmouth college study.



trump describes us as cleanest nation; facts muddy the claim




president donald trump said the united states "will continue to be the cleanest and most environmentally friendly country on earth" as he announced a us pullout from an international accord designed to curb climate change.but facts muddy that claim.data show that the us is among the dirtiest countri...



microwaves and microbes turn household waste into biodegradable plastic




europeans discard 200 million tonnes of household waste every year. credit: ‘poland. trash 002’ by albertyanks albert jankowski is in the public domainresearchers are working hard to figure out how to harness the 477 kilograms of household waste that that average person in the eu generates. some...



will rising carbon dioxide levels really boost plant growth?




plants have become an unlikely subject of political debate. many projections suggest that burning fossil fuels and the resulting climate change will make it harder to grow enough food for everyone in the coming decades. but some groups opposed to limiting our emissions claim that higher levels of ca...



heat wave drives massive carbon loss at world heritage site




seagrasses in shark bay, australia released massive amounts of carbon dioxide after a devastating heat wave killed them, according to a new study.



why the climate is more sensitive to carbon dioxide than weather records suggest




one of the key questions about climate change is the strength of the greenhouse effect. in scientific terms this is described as "climate sensitivity". it's defined as the amount earth's average temperature will ultimately rise in response to a doubling of atmospheric carbon dioxide levels.



new photocatalyst speeds up the conversion of carbon dioxide into chemical resou




a schematic diagram showing the mechanism of the conversion of carbon dioxide into methane using the reduced titanium dioxide developed by the team. credit: dgistcarbon dioxide is a major cause of global warming. in order to control atmospheric carbon dioxide concentration, many countries are active...



doctors: global warming is taking a toll on people's health




(washington) — global warming is hurting people's health a bit more than previously thought, but there's hope that the earth — and populations — can heal if the planet kicks its coal habit, a group of doctors and other experts said.relatedclimate changethe level of carbon dioxide in the atmosp...



highly efficient photocatalyst capable of carbon dioxide recycling




image: this is professor su-il in from the department of energy science and engineering view more credit: daegu gyeongbuk institute of science and technology (dgist)a research team of energy science and engineering at dgist has succeeded in developing a titanium dioxide (tio2)-based high efficienc...



how seafloor weathering drives the slow carbon cycle




a previously unknown connection between geological atmospheric carbon dioxide cycles and the fluctuating capacity of the ocean crust to store carbon dioxide has been uncovered by two geoscientists from the university of sydney.



tundra loses carbon with rapid permafrost thaw




artistic interpretation of tundra carbon dioxide (co2) uptake and loss with permafrost thaw and accounting for co2 dynamics in the summer and winter. credit: victor leshykfrozen in permafrost soil, northern latitudes store almost twice as much carbon as is currently in the atmosphere. rapid arctic w...