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'Abrupt thaw' of permafrost beneath lakes could significantly affect climate change models

Methane released by thawing permafrost from some Arctic lakes could significantly accelerate climate change, according to a new study. Unlike shallow, gradual thawing of terrestrial permafrost, the abrupt thaw beneath thermokarst lakes is irreversible this century. »
17 August 2018, 05:00 - sciencedaily - Search similar - Email

Next 5 years predicted to be abnormally hot

This summer's worldwide heatwave makes 2018 a particularly hot year. As will be the next few years, according to a new study. Using a new method, the study shows that at the global level, 2018-2022 may be an even hotter period than expected based on current global warming. »
15 August 2018, 22:10 - sciencedaily - Search similar - Email

California water managers vary in use of climate science

Lack of climate change adaptation among water utilities can put water supplies and the people dependent on them at risk, especially in marginalized communities, a new article suggests. »
14 August 2018, 15:20 - sciencedaily - Search similar - Email

Converting carbon dioxide into methane or ethane selectively

Researchers have developed high-efficiency photocatalysts that convert carbon dioxide into methane or ethane with graphene-covered reduced titanium dioxide. The finding is expected to be utilized in the carbon dioxide reduction and recycling industries. »
13 August 2018, 20:50 - sciencedaily - Search similar - Email

Europe needs coastal adaptation measures to avoid catastrophic flooding by the end of the century

Coastal floods could impact up to 3.65 million people every year in Europe by 2100, according to a new study. »
13 August 2018, 20:50 - sciencedaily - Search similar - Email

Researchers call for comprehensive transformation of food systems

Agriculture and food systems policies should ensure more than just the supply of food. Decision-makers must make a paradigm shift to align policies about climate, agriculture and food with the United Nation's 2030 Agenda for Sustainable Development, according to a group of international researchers. »
10 August 2018, 00:20 - sciencedaily - Search similar - Email

Back to the future of climate change

Researchers are looking to the geologic past to make future projections about climate change. Their research focuses on the ancient Tethys Ocean (site of the present-day Mediterranean Sea) and provides a benchmark for present and future climate and ocean models. »
10 August 2018, 00:20 - sciencedaily - Search similar - Email

Mojave Desert birds crashed over the last century due to climate change

More than 100 years ago, biologists conducted a thorough survey of birds in the Mojave Desert. A recent resurvey shows that the species richness of the desert habitat has dropped by 43 percent over the past century, on average, at the sites revisited. »
7 August 2018, 23:00 - sciencedaily - Search similar - Email

Forests crucial for limiting climate change to 1.5 degrees

Trying to tackle climate change by replacing forests with crops for bioenergy power stations that capture carbon dioxide (CO2) could instead increase the amount of CO2 in the atmosphere, scientists say. »
7 August 2018, 23:00 - sciencedaily - Search similar - Email

Children are highly vulnerable to health risks of a changing climate

Children and adolescents are more vulnerable to climate-related disasters because of their anatomic, cognitive, immunologic, and psychologic differences compared to adults. Researchers set out some specific challenges associated with the impacts of climate change on the world's 2.3 billion children and suggest ways to address their under-prioritized needs. »
7 August 2018, 04:30 - sciencedaily - Search similar - Email

Wetter soil is leading to reduced methane gas absorption

A new paper finds that the existing effects of global warming are decreasing the soil's ability to absorb methane gas. The paper details findings from a study that measured forest-soil uptake of methane gas in a variety of locations and settings over a 13- to 27-year span and detected decreases of 53 to 89 percent. »
7 August 2018, 04:30 - sciencedaily - Search similar - Email

Rain-on-snow flood risk to increase in many mountain regions of the western U.S., Canada

Flooding caused by rain falling on snowpack could more than double by the end of this century in some areas of the western United States and Canada due to climate change. »
7 August 2018, 04:30 - sciencedaily - Search similar - Email

Earth at risk of heading towards 'hothouse Earth' state

An international team of scientists is showing that even if the carbon emission reductions called for in the Paris Agreement are met, there is a risk of Earth entering what the scientists call 'hothouse Earth' conditions. »
6 August 2018, 22:20 - sciencedaily - Search similar - Email

Heatwave and climate change having negative impact on our soil say experts

The recent heatwave and drought could be having a deeper, more negative effect on soil than we first realized say scientists. That's because organisms in soil are highly diverse and are responsible not only for producing the soil we need to grow crops, but also provide humans with many other benefits, such as cleaning water and regulating greenhouse gas emissions. »
3 August 2018, 20:20 - sciencedaily - Search similar - Email

Some corals might adapt to climate changes

New research shows that not all corals respond the same to changes in climate. The study looked at the sensitivity of two types of corals found in Florida and the Caribbean and found that one of them - -mountainous star coral -- possesses an adaptation that allows it to survive under high temperatures and acidity conditions. »
3 August 2018, 01:50 - sciencedaily - Search similar - Email

Microbes go dark to stay warm in cooler climates

Microorganisms in colder climates darken themselves to capture more heat from the sun and improve their ability to survive, according to a new study. »
3 August 2018, 01:50 - sciencedaily - Search similar - Email

Scientists draw new connections between climate change and warming oceans

Earth scientists exploring how ocean chemistry has evolved found similarities between an event 55 million years ago and current predicted trajectories of planet temperatures, with regards to inputs of CO2 into the atmosphere and oxygen levels in the oceans. As the oceans warm, oxygen decreases while hydrogen sulfide increases, making the oceans toxic and putting marine species at risk. »
2 August 2018, 07:20 - sciencedaily - Search similar - Email

Climate change-driven droughts are getting hotter, study finds

In a new study, researchers report that temperatures during droughts have been rising faster than in average climates in recent decades, and they point to concurrent changes in atmospheric water vapor as a driver of the surge. »
2 August 2018, 01:10 - sciencedaily - Search similar - Email

Degrading plastics revealed as source of greenhouse gases

Researchers have found that several greenhouse gases are emitted as common plastics degrade in the environment. Their study reports the unexpected discovery of the universal production of greenhouse gases methane and ethylene by the most common plastics when exposed to sunlight. »
2 August 2018, 01:10 - sciencedaily - Search similar - Email

Heatwave deaths will rise steadily by 2080 as globe warms up

If people cannot adapt to future climate temperatures, deaths caused by severe heatwaves will increase dramatically in tropical and subtropical regions, followed closely by Australia, Europe and the United States, a global new study shows. »
1 August 2018, 19:00 - sciencedaily - Search similar - Email