搜索结果: 1-15 共查到“国际动态 U.S. emissions”相关记录40条 . 查询时间(0.109 秒)
Cornell is one of six universities receiving a total of $20 million over five years from the National Science Foundation and the U.S. Department of Agriculture’s National Institute of Food and Agricul...
Turning carbon emissions into rocks（图）
碳排放 岩石 清洁能源 气候学
2023/7/7
Chemist Peter Psarras has good reason to call himself a musical rock star—after all, he plays bass and keyboard semi-professionally—but he’s more likely to claim “rock” stardom of the geological bent....
New assessment maps emissions in New York neighborhoods near industrial areas
纽约工业区 排放地图 化石燃料排放
2023/5/22
The explosive growth of online shopping has been heralded as a benefit for the environment, as consumers avoid the fossil fuel emissions associated with traveling to and from brick-and-mortar stores. ...
The U.N.’s Intergovernmental Panel on Climate Change suggested in a recent report that with every degree of warming, global agricultural production will be reduced by 10 to 25 percent, threatening the...
Unexpected wildfire emissions impact air quality worldwide（图）
Unexpected wildfire emissionst air quality worldwide
2020/10/30
In lab studies of wildfire, nitrous acid seems to be a minor actor, often underrepresented in atmospheric models. But in the real-world atmosphere during wildfires, the chemical plays a leading role.I...
77 countries committed to cut greenhouse gas emissions to net zero by 2050, while 70 countries announced they will either boost their national action plans by 2020 or have started the process of doing...
New approach suggests path to emissions-free cement MIT researchers find a way to eliminate carbon emissions from cement production — a major global source of greenhouse gases.
Cement Research School of Engineering Materials Science and Engineering DMSE
2019/9/20
It’s well known that the production of cement — the world’s leading construction material — is a major source of greenhouse gas emissions, accounting for about 8 percent of all such releases. If cemen...
Researchers Discover Higher Environmental Impact From Cookstove Emissions（图）
Researchers Higher Environmental Cookstove Emissions
2018/1/10
Cookstoves are a central part of millions of homes throughout Asia: families often use readily available and cheap biofuels — such as crop chaff or dung — to prepare the food needed to survive.Previou...
China’s Sulfur Dioxide Emissions Declined Significantly While India’s Grew Over Last Decade
China Sulfur Dioxide Emissions Declined Significantly India Grew Over Last Decade
2017/11/24
Sulfur dioxide is an air pollutant that causes acid rain, haze and many health-related problems. It is produced predominantly when coal is burned to generate electricity.Although China and India remai...
Ammonia Emissions Unlikely To Be Causing Extreme China Haze（图）
Ammonia Emissions Unlikely China Haze
2017/10/25
As China struggles to find ways to remedy the noxious haze that lingers over Beijing and other cities in the winter, researchers from Georgia Institute of Technology have cast serious doubt on one pro...
Methane-eating bacteria in lake deep beneath Antarctic ice sheet may reduce greenhouse gas emissions（图）
Methane-eating bacteria lake deep Antarctic ice sheet reduce greenhouse gas emissions
2017/9/1
An interdisciplinary team of researchers funded by the National Science Foundation (NSF) has concluded that bacteria in a lake 800 meters (2,600 feet) beneath the West Antarctic Ice Sheet may digest m...
Researchers find computer code that Volkswagen used to cheat emissions tests
Researchers computer code Volkswagen cheat emissions tests
2017/7/20
An international team of researchers has uncovered the mechanism that allowed Volkswagen to circumvent U.S. and European emission tests over at least six years before the Environmental Protection Agen...
Li develops unique photo-catalyst material,turns CO2 emissions into renewable hydrocarbon fuels
Li photo-catalyst material CO2 emissions renewable hydrocarbon fuels
2017/3/14
Researchers with the Department of Mechanical Engineering at Texas A&M University are making the best use of our energy waste — turning one of our most potent pollutants and greenhouse gasses, carbon ...
Losses of soil carbon under global warming might equal U.S. emissions
soil carbon under global warming U.S. emissions
2016/12/13
For decades scientists have speculated that rising global temperatures might alter the ability of soils to store carbon, potentially releasing huge amounts of carbon into the atmosphere and triggering...
Newly Discovered 'Blue Whirl' Fire Tornado Burns Cleaner for Reduced Emissions
Blue Whirl Fire Tornado Burns Cleaner Reduced Emissions
2016/8/11
Fire tornados, or ‘fire whirls,’ pose a powerful and essentially uncontrollable threat to life, property, and the surrounding environment in large urban and wildland fires. But now, a team of research...