News tagged with atmospheric concentration
Ancient plant-fungal partnerships reveal how the world became green
Prehistoric plants grown in state-of-the-art growth chambers recreating environmental conditions from more than 400 million years ago have shown scientists from the University of Sheffield how soil dwelling fungi played a ...
May 15, 2012 |
5 / 5 (5) |
2
|
Nasa study solves case of Earth's 'missing energy'
(PhysOrg.com) -- Two years ago, scientists at the National Center for Atmospheric Research in Boulder, Colo., released a study claiming that inconsistencies between satellite observations of Earth's heat and ...
Space & Earth / Earth Sciences
Jan 30, 2012 |
4.1 / 5 (14) |
12
|
Hong Kong clean air targets fail to impress
Environmentalists on Wednesday expressed disappointment at new clean-air targets for Hong Kong, as research showed pollution-related illnesses killed more than 3,000 residents a year.
Jan 18, 2012 |
5 / 5 (1) |
0
World has five years to avoid severe warming: IEA
The world has just five years to avoid being trapped in a scenario of perilous climate change and extreme weather events, the International Energy Agency (IEA) warned on Wednesday.
Nov 09, 2011 |
3.9 / 5 (22) |
62
Snowball Earth hypothesis challenged
The hypothesis that the Earth was completely covered in ice 635 million years ago has received a serious blow. The atmospheric concentration of CO2 during that period was much lower than previously thought, ...
Space & Earth / Earth Sciences
Oct 12, 2011 |
5 / 5 (3) |
3
The Baltic Sea contributes carbon dioxide to the atmosphere
The Baltic Sea emits more carbon dioxide than it can bind. Local variations have increased the exposure of the Bay of Bothnia. These are the results from a study of how carbon dioxide flows between the water ...
Space & Earth / Earth Sciences
Oct 11, 2011 |
5 / 5 (1) |
0
Microbes travel through the air; it would be good to know how and where
Preliminary research on Fusarium, a group of fungi that includes devastating pathogens of plants and animals, shows how these microbes travel through the air. Researchers now believe that with improvements on thi ...
Sep 09, 2011 |
5 / 5 (2) |
1
|
How hot did Earth get in the past? Scientists uncover new information
The question seems simple enough: What happens to the Earth's temperature when atmospheric carbon dioxide levels increase? The answer is elusive. However, clues are hidden in the fossil record. A new study ...
Space & Earth / Earth Sciences
Jul 05, 2011 |
5 / 5 (18) |
52
|
Climate change increases the risk of ozone damage to plants
Ground-level ozone is an air pollutant that harms humans and plants. Both climate and weather play a major role in ozone damage to plants. Researchers at the University of Gothenburg, Sweden, have now shown that climate change ...
Space & Earth / Earth Sciences
Jun 30, 2011 |
3.4 / 5 (5) |
0
Oxygen fuels the fires of time
Variations in the Earth's atmospheric oxygen levels are thought to be closely linked to the evolution of life, with strong feedbacks between uni- and multicellular life and oxygen. Over the past 400 million years the level ...
Space & Earth / Earth Sciences
Aug 02, 2010 |
4.8 / 5 (14) |
29
|
Plants Save the Earth from an Icy Doom (w/ Podcast)
(PhysOrg.com) -- Fifty million years ago, the North and South Poles were ice-free and crocodiles roamed the Arctic. Since then, a long-term decrease in the amount of CO2 in the atmosphere has cooled the Earth. ...
Space & Earth / Earth Sciences
Jul 01, 2009 |
3.8 / 5 (9) |
5
The Human Factor: Understanding the Sources of Rising Carbon Dioxide
(PhysOrg.com) -- Every time we get into our car, turn the key and drive somewhere, we burn gasoline, a fossil fuel derived from crude oil. The burning of the organic materials in fossil fuels produces energy ...
Space & Earth / Earth Sciences
Jan 14, 2009 |
2 / 5 (10) |
6
