Category Archives: Environment

NASA Pinpoints Cause of Earth’s Recent Record Carbon Dioxide Spike

A new NASA study provides space-based evidence that Earth’s tropical regions were the cause of the largest annual increases in atmospheric carbon dioxide concentration seen in at least 2,000 years….

Mangroves vital for environmental decontamination

Mangrove trees, particularly their leaf litter, filter copper out of soil and water in Indonesia. Grey mangrove trees, Avicennia marina, filter heavy metals out of the surrounding soil and water….

Glaciers may have helped warm Earth

Rice University professor’s study details effect of glacial versus nonglacial weathering on carbon cycle HOUSTON – It seems counterintuitive, but over the eons, glaciers may have made Earth warmer, according…

Quantifying the effects of climate change

Last year was the hottest on record, Arctic sea ice is on the decline and sea levels continue to rise. In this context, satellites are providing us with an unbiased…

Bacteria may supercharge the future of wastewater treatment

Wastewater treatment plants have a PR problem: People don’t like to think about what happens to the waste they flush down their toilets. But for many engineers and microbiologists, these…

New method can selectively remove micropollutants from water

Electrochemical method can remove even tiny amounts of contamination. CAMBRIDGE, Mass. — When it comes to removing very dilute concentrations of pollutants from water, existing separation methods tend to be…

Study measures air pollution increase attributable to air conditioning

When summer temperatures rise and people turn to their air conditioners to stay cool, something else also increases: air pollution. A new study published Wednesday (May 3, 2017) in the…

Potential for Saudi Arabian coral reefs to shine

Careful marine management and stricter fishing laws could enable Saudi Arabia’s coral reefs to thrive. Marine surveys estimating fish population density and diversity are crucial to our understanding of how…

Nile faces greater variability

Climate change could lead to overall increase in river flow, but more droughts and floods, study shows. CAMBRIDGE, Mass. — The unpredictable annual flow of the Nile River is legendary, as…

Evaluating cultural value of landscapes using geotagged photos

Researchers have developed a new method for assessing the cultural value of landscapes using geotagged photos shared on a social-networking service. Data obtained with this method could help determine which…