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Ecological News

Climate Change Drives Collapse in Marine Food Webs

ENN Climate - Wed, 01/10/2018 - 01:51
University of Adelaide scientists have demonstrated how climate change can drive the collapse of marine “food webs”.
Categories: Ecological News

Tropical Cyclone Irving Appears Elongated in NASA Imagery

ENN Climate - Wed, 01/10/2018 - 01:46
NASA's Aqua satellite passed over Tropical Cyclone Irving and found wind shear was stretching the storm out.
Categories: Ecological News

NASA Sees Tropical Cyclone Ava Fizzling South of Madagascar

ENN Climate - Wed, 01/10/2018 - 01:42
NASA-NOAA's Suomi NPP satellite passed over the Southern Indian Ocean and captured a visible image of Tropical Cyclone Ava as it continued to move away from southeastern Madagascar and weaken.
Categories: Ecological News

In urban streams, pharmaceutical pollution is driving microbial resistance

ENN Pollution - Tue, 01/09/2018 - 21:31
Resilient bacteria might help streams but could threaten human health(Millbrook, NY) In urban streams, persistent pharmaceutical pollution can cause aquatic microbial communities to become resistant to drugs. So reports a new study published today in the journal Ecosphere. Emma Rosi, an aquatic ecologist at the Cary Institute of Ecosystem Studies and lead author on the study explains, "Wastewater treatment facilities are not equipped to remove many pharmaceutical compounds. We were interested in how stream microorganisms - which perform key ecosystem services like removing nutrients and breaking down leaf litter - respond to pharmaceutical pollution." 
Categories: Ecological News

Major food retailer's sustainability program drives farmers' environmental practices

ENN Agriculture - Tue, 01/09/2018 - 20:00
In one of the first analyses of a company-led sustainability program in the food and agriculture space, Stanford researchers found a major grocery chain fostered increased adoption of environmental practices at the farm level.
Categories: Ecological News

Academic research confirms - more mining leads to more fighting

The Ecologist Magazine - Tue, 01/09/2018 - 19:26
Academic research confirms - more mining leads to more fighting Channel Comment brendan 9th January 2018 Teaser Media
Categories: Ecological News

Frog genome mapping sheds new light on environmental contaminants

ENN Health - Tue, 01/09/2018 - 18:54
A University of Victoria molecular biologist has gained new insights into how environmental contaminants may disrupt thyroid systems. The discovery was made while assembling the genome of the North American bullfrog.Caren Helbing’s findings could help explain the mechanisms of early development, as well as how environmental contaminants cause thyroidrelated diseases and malfunctions.
Categories: Ecological News

Frog genome mapping sheds new light on environmental contaminants

ENN Pollution - Tue, 01/09/2018 - 18:54
A University of Victoria molecular biologist has gained new insights into how environmental contaminants may disrupt thyroid systems. The discovery was made while assembling the genome of the North American bullfrog.Caren Helbing’s findings could help explain the mechanisms of early development, as well as how environmental contaminants cause thyroidrelated diseases and malfunctions.
Categories: Ecological News

2017 was 3rd warmest year on record for U.S.

ENN Climate - Tue, 01/09/2018 - 18:54
2017 will be remembered as a year of extremes for the U.S. as floods, tornadoes, hurricanes, drought, fires and freezes claimed hundreds of lives and visited economic hardship upon the nation. Recovery from the ravages of three major Atlantic hurricanes making landfall in the U.S. and an extreme and ongoing wildfire season in the West is expected to continue well into the new year.
Categories: Ecological News

Powerful Tropical Cyclone Irving Examined With GPM

ENN Climate - Tue, 01/09/2018 - 02:38
On Jan. 8, Tropical Cyclone Irving was hurricane-force in the Southern Indian Ocean. The Global Precipitation Measurement Mission or GPM core satellite passed overhead and measured cloud heights and rainfall rates in the powerful storm.
Categories: Ecological News

Tropical Cyclone Ava Moving Away from Madagascar

ENN Climate - Tue, 01/09/2018 - 02:36
NASA's Terra satellite passed over Tropical Cyclone Ava as it continued moving away from the island nation of Madagascar. Ava was located in the Southern Indian Ocean, off the southeastern coast of the country.
Categories: Ecological News

NUS Researchers Pioneer Water-Based, Eco-Friendly and Energy-Saving Air-Conditioner

ENN Pollution - Tue, 01/09/2018 - 02:31
A team of researchers from the National University of Singapore (NUS) has pioneered a new water-based air-conditioning system that cools air to as low as 18 degrees Celsius without the use of energy-intensive compressors and environmentally harmful chemical refrigerants. This game-changing technology could potentially replace the century-old air-cooling principle that is still being used in our modern-day air-conditioners. Suitable for both indoor and outdoor use, the novel system is portable and it can also be customised for all types of weather conditions.
Categories: Ecological News

New Study Reveals Strong El Niño Events Cause Large Changes in Antarctic Ice Shelves

ENN Climate - Tue, 01/09/2018 - 02:28
A new study published Jan. 8 in the journal Nature Geoscience reveals that strong El Niño events can cause significant ice loss in some Antarctic ice shelves while the opposite may occur during strong La Niña events.
Categories: Ecological News

US Rivers and Streams are Compromised by Increasing Salt Loads

ENN Agriculture - Tue, 01/09/2018 - 02:23
Human activities are exposing US rivers and streams to a cocktail of salts, with consequences for infrastructure and drinking water supplies. So reports a new study in the Proceedings of the National Academy of Sciences that is the first to assess the combined, long-term changes in freshwater salinity and alkalization across the country.
Categories: Ecological News

US Rivers and Streams are Compromised by Increasing Salt Loads

ENN Pollution - Tue, 01/09/2018 - 02:23
Human activities are exposing US rivers and streams to a cocktail of salts, with consequences for infrastructure and drinking water supplies. So reports a new study in the Proceedings of the National Academy of Sciences that is the first to assess the combined, long-term changes in freshwater salinity and alkalization across the country.
Categories: Ecological News

Noise Pollution Causes Chronic Stress in Birds, with Health Consequences for Young

ENN Pollution - Tue, 01/09/2018 - 02:16
Birds exposed to the persistent noise of natural gas compressors show symptoms remarkably similar to those in humans suffering from post-traumatic stress disorder, new research shows.
Categories: Ecological News

US rivers and streams are compromised by increasing salt loads

ENN Agriculture - Tue, 01/09/2018 - 02:00
Human activities are exposing US rivers and streams to a cocktail of salts, with consequences for infrastructure and drinking water supplies. So reports a new study in the Proceedings of the National Academy of Sciences that is the first to assess the combined, long-term changes in freshwater salinity and alkalization across the country.
Categories: Ecological News

A biological solution to carbon capture and recycling?

ENN Pollution - Mon, 01/08/2018 - 22:17
Scientists at the University of Dundee have discovered that E. coli bacteria could hold the key to an efficient method of capturing and storing or recycling carbon dioxide.Cutting carbon dioxide (CO2) emissions to slow down and even reverse global warming has been posited as humankind’s greatest challenge. It is a goal that is subject to considerable political and societal hurdles, but it also remains a technological challenge.
Categories: Ecological News

Methane hydrate dissociation off Spitsbergen not caused by climate change

ENN Climate - Mon, 01/08/2018 - 22:11
Methane hydrates, also known as flammable ice, occur in many regions of the oceans. But only under high pressure and cold temperatures the product of methane and water forms a solid compound. If the pressure is too low or the temperature is too high, the hydrates decompose, and the methane is released as gas from the sea floor into the water column. Spitsbergen has been experiencing severe outgassing for several years. Does the methane originate from decomposed methane hydrates? What is the cause of the dissociation of the hydrates? Warming due to climate change or other, natural processes? An international team of scientists has now been able to answer this question, which has been published in the international journal Nature Communications.
Categories: Ecological News
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