Clusters of hunter-gatherers spent much of the late Stone Age working out the basics of farming on the fertile lands of what is now Turkey before taking this knowledge to Europe. In an analysis of ancient genomes published ...
Archaeology
Aug 4, 2016
0
138
Over the past half-million years, the equatorial Pacific Ocean has seen five spikes in the amount of iron-laden dust blown in from the continents. In theory, those bursts should have turbo-charged the growth of the ocean's ...
Earth Sciences
May 16, 2016
5
44
Reducing greenhouse gas emissions (GHGs) and nitrogen water pollution from agriculture are top environmental priorities in the United States. Key to achieving climate goals is helping producers navigate carbon markets, while ...
Environment
Jul 15, 2021
0
38
Tropical rainforests store 25%-40% of global soil carbon, though they occupy only 7% of Earth's land area. By functioning as a carbon sink, tropical forests prevent more severe effects from climate change.
Earth Sciences
Apr 17, 2023
2
129
World population will likely peak at around 9.4 billion around 2070 and then decline to around 9 billion by 2100, according to new population projections from IIASA researchers, published in a new book, World Population and ...
Social Sciences
Oct 23, 2014
3
0
Let algae do the dirty work. Researchers at Rochester Institute of Technology are developing biodiesel from microalgae grown in wastewater. The project is doubly "green" because algae consume nitrates and phosphates and reduce ...
Energy & Green Tech
Feb 17, 2011
6
0
Natural gas (methane) can be converted into hydrogen (H2), which is used in clean energy, synthetic fertilizers, and many other chemicals. The reaction requires water and a nickel catalyst. Methane and water molecules attach ...
Materials Science
May 1, 2014
3
3
(PhysOrg.com) -- A new report from CSIRO identifies five global megatrends and eight megashocks that are changing the world.
Economics & Business
Apr 23, 2010
3
0
The transition from hunter-gatherer to sedentary farming 10,000 years ago occurred in multiple neighbouring but genetically distinct populations according to research by an international team including UCL.
Archaeology
Jul 14, 2016
4
32
From recurring harmful algal blooms—including brown tides—to catastrophic seagrass losses, fish kills and unusual marine mammal deaths—including the threatened Florida manatee—the Indian River Lagoon is environmentally ...
Ecology
Jul 18, 2023
0
52
