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Climate change and climate prediction. Read science articles on regional climates and global climate shifts. Updated daily.
Updated: 2 hours 15 min ago

Wind, warmth boost insect migration

Mon, 07/08/2019 - 18:24
Researchers equipped monarch butterflies and green darner dragonflies with radio transmitters and tracked them through southern Ontario and several northern States to learn how environmental factors affect daytime insect migration. Learning about what happens to insects during their migration may help in conservation efforts. The study found wind and temperature are more important influences than precipitation for bugs on autumn migration flights spanning thousands of kilometers between their breeding and wintering grounds.

Indian Ocean causes drought and heatwaves in South America

Mon, 07/08/2019 - 18:24
Researchers have revealed that atmospheric waves originating from convection over the Indian Ocean had a dramatic impact on climate conditions over South America and South Atlantic, leading to drought and marine heatwaves. Importantly, these conditions are not a one-off and are likely to happen again.

Just the tonic! How an afternoon tipple made from peas could help save the rainforest

Mon, 07/08/2019 - 18:24
Using peas instead of wheat to produce gin significantly reduces the carbon footprint associated with the process. This finding could be utilized in the production of other alcoholic drinks and greener biofuels, and could also help in the fight to save the rainforests.

Coral bleaching: Altered gene expression may trigger collapse of symbiotic relationship

Mon, 07/08/2019 - 18:24
Researchers have identified the potential genes responsible for coral bleaching caused by temperature elevation.

Top climate risks for Canada, potential for adaptation

Mon, 07/08/2019 - 16:42
An expert panel has identified Canada's top climate change risks and determined that many costs and damages could be avoided with prompt and thoughtful adaptation.

Snow algae thrive in high-elevation ice spires, an unlikely oasis for life

Mon, 07/08/2019 - 15:43
High in the Andes Mountains, dagger-shaped ice spires house thriving microbial communities, offering an oasis for life in one of Earth's harshest environments as well as a possible analogue for life on other planets.

How trees could save the climate

Fri, 07/05/2019 - 02:13
Around 0.9 billion hectares of land worldwide would be suitable for reforestation, which could ultimately capture two thirds of human-made carbon emissions. A study shows that shows this would be the most effective method to combat climate change.

More 'reactive' land surfaces cooled the Earth down

Wed, 07/03/2019 - 20:40
In a new study, researchers show that a paradigm on a global temperature drop that started around 15 million years ago cannot be upheld. With the help of a computer model they explain the Earth's cooling with an increased 'reactivity' of the land surface that has led to a decrease in CO2 in the atmosphere, reducing the Earth's natural green house effect.

Winter monsoons became stronger during geomagnetic reversal

Wed, 07/03/2019 - 19:14
New evidence suggests that high-energy particles from space known as galactic cosmic rays affect the Earth's climate by increasing cloud cover, causing an 'umbrella effect'.

Can we feed 11 billion people while preventing the spread of infectious disease?

Wed, 07/03/2019 - 01:46
A new article describes how the increase in population and the need to feed everyone will give rise to human infectious disease, a situation the authors of the paper consider 'two of the most formidable ecological and public health challenges of the 21st century.'

Irrigated farming in Wisconsin's central sands cools the region's climate

Tue, 07/02/2019 - 22:28
Irrigation dropped maximum temperatures by one to three degrees Fahrenheit on average while increasing minimum temperatures up to four degrees compared to unirrigated farms or forests, new research shows. In all, irrigated farms experienced a three- to seven-degree smaller range in daily temperatures compared to other land uses. These effects persisted throughout the year.

California forest die-off caused by depletion of deep-soil water

Tue, 07/02/2019 - 18:27
The inability of long-rooted trees to reach their subsurface water supply in the Sierra Nevada mountain range led to widespread forest die-offs following the drought of 2012-2015. A new study provides a better understanding of the climatic and biological mechanisms in play.

Scientists discover processes to lower methane emissions from animals

Tue, 07/02/2019 - 18:27
Scientists are part of an international research collaboration which has made an important discovery in the quest to lower global agricultural methane emissions.

Wood products mitigate less than one percent of global carbon emissions

Mon, 07/01/2019 - 23:38
The world's wood products -- all the paper, lumber, furniture and more -- offset just one percent of annual global carbon emissions by locking away carbon in woody forms, according to new research.

Analysis finds US ecosystems shifting hundreds of miles north

Mon, 07/01/2019 - 21:46
Researchers used 50 years of data on bird distributions and concluded that ecosystems have shifted northward by hundreds of miles. The data suggests that climate change and other phenomena are at play.

Current pledges to phase out coal power are critically insufficient to slow climate change

Mon, 07/01/2019 - 21:46
The Powering Past Coal Alliance, or PPCA, is a coalition of 30 countries and 22 cities and states, that aims to phase out unabated coal power. But analysis shows that members mainly pledge to close older plants near the end of their lifetimes, resulting in limited emissions reductions.

How to protect corals facing climate change

Mon, 07/01/2019 - 21:45
The best way to protect corals threatened by climate change is to conserve a wide range of their habitats, according to a new study. The finding likely applies to conservation efforts for many other species in the ocean and on land, including trees and birds.

New model suggests lost continents for early Earth

Mon, 07/01/2019 - 21:45
A new radioactivity model of Earth's ancient rocks calls into question current models for the formation of Earth's continental crust, suggesting continents may have risen out of the sea much earlier than previously thought but were destroyed, leaving little trace.

Scientists alarmed by bark beetle boom

Mon, 07/01/2019 - 21:45
Bark beetles are currently responsible for killing an unprecedented number of trees in forests across Europe and North America. Why the beetle populations first explode to decline naturally after a few years is largely unknown. Researchers are therefore urging to step up research into the dynamics of bark beetle populations. They believe that more needs to be done also in view of climate change.

New measurements shed light on the impact of water temperatures on glacier calving

Mon, 07/01/2019 - 21:45
Calving, or the breaking off of icebergs from glaciers, has increased at many glaciers along the west coast of Svalbard. Now, researchers have shown that, whilst subsurface water temperatures are the most important driver of frontal mass loss, they are not as important as previously thought.

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