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Climate change and climate prediction. Read science articles on regional climates and global climate shifts. Updated daily.
Updated: 1 hour 17 min ago

Today's atmospheric carbon dioxide levels greater than 23 million-year record

12 hours 56 min ago
A common message in use to convey the seriousness of climate change to the public is: 'Carbon dioxide levels are higher today than they have been for the past one million years!' This new study used a novel method to conclude that today's carbon dioxide (CO2) levels are actually higher than they have been for the past 23 million years.

Warmer temperatures slow COVID-19 transmission, but not by much

Mon, 06/01/2020 - 20:46
Researchers looked at the impact of temperature, precipitation, and UV index on COVID-19 case rates in the United States during the spring months of 2020. The findings reveal that while the rate of COVID-19 incidence does decrease with warmer temperatures up until 52 degrees F, further warmer temperatures do not decrease disease transmission significantly.

Measuring ocean acidification along US coasts

Mon, 06/01/2020 - 20:45
Scientists have conducted an in-depth study that looks at carbon dioxide uptake and ocean acidification in the coastal oceans of North America.

Dry air drives overlooked changes in how plants drink and breathe

Mon, 06/01/2020 - 18:33
New research suggests dry air combined with warmer temperatures may prompt bigger than expected changes in how water moves through plants. The adjustment may allow plants to survive with less water in future droughts, while downshifting how much carbon they absorb.

Scientists discover new forms of feldspars

Mon, 06/01/2020 - 14:29
In high-pressure experiments, scientists have discovered new forms of the common mineral feldspar. At moderate temperatures, these hitherto unknown variants are stable at pressures of Earth's upper mantle, where common feldspar normally cannot exist. The discovery could change the view at cold subducting plates and the interpretation of seismologic signatures.

A rising tide of marine disease? How parasites respond to a warming world

Fri, 05/29/2020 - 22:07
A recent study explores the ways parasitism will respond to climate change, providing researchers new insights into disease transmission.

Integrating satellite and socioeconomic data to improve climate change policy

Fri, 05/29/2020 - 22:07
Bangladesh is on track to lose all of its forestland in the next 35-40 years, leading to a rise in CO2 emissions and subsequent climate change, researchers said. However, that is just one of the significant land-use changes that the country is experiencing. A new study uses satellite and census data to quantify and unravel how physical and economic factors drive land-use changes. Understanding this relationship can inform climate policy at the national scale in Bangladesh and beyond.

Climate could cause abrupt British vegetation changes

Fri, 05/29/2020 - 16:31
Climate change could cause abrupt shifts in the amount of vegetation growing in parts of Great Britain, new research shows.

Wildfires can alter Arctic watersheds for 50 years

Thu, 05/28/2020 - 23:11
Climate change has contributed to the increase in the number of wildfires in the Arctic and can dramatically shift stream chemistry. Researchers at the University of New Hampshire have found that some of the aftereffects, like decreased carbon and increased nitrogen, can last up to five decades and could have major implications on vital waterways like the Yenisei River and the Arctic Ocean.

Global environmental changes leading to shorter, younger trees

Thu, 05/28/2020 - 23:10
Ongoing environmental changes are transforming forests worldwide, resulting in shorter and younger trees. Researchers found that a range of factors, including rising temperatures and carbon dioxide levels, have caused a dramatic decrease in the age and stature of forests.

Antarctic ice sheets capable of retreating up to 50 meters per day

Thu, 05/28/2020 - 23:05
The ice shelves surrounding the Antarctic coastline retreated at speeds of up to 50 meters per day at the end of the last Ice Age, far more rapid than the satellite-derived retreat rates observed today, new research has found.

Environmental groups moving beyond conservation

Thu, 05/28/2020 - 23:05
Although non-governmental organizations (NGOs) have become powerful voices in world environmental politics, little is known of the global picture of this sector. A new study shows that environmental groups are increasingly focused on advocacy in climate change politics and environmental justice. How they do their work is largely determined by regional disparities in human and financial resources.

Survey identifies learning opportunities related to health impacts of climate change

Thu, 05/28/2020 - 23:05
An international survey of Global Consortium on Climate and Health Education (GCCHE) membership found that the majority of members -- health professions schools and programs, including medical, nursing, and public health -- offer learning opportunities related to the health impacts of climate change, yet many also encountered challenges in instituting or developing curricula. The results of the survey provide a baseline assessment of the state of climate-health education internationally among health professions institutions.

New Zealand blue whale distribution patterns tied to ocean conditions, prey availability

Thu, 05/28/2020 - 23:05
The researchers who recently discovered a population of blue whales in New Zealand are learning more about the links between the whales, their prey and ocean conditions that are changing as the planet warms.

A potential explanation for urban smog

Wed, 05/27/2020 - 22:02
The effect of nitric acid on aerosol particles in the atmosphere may offer an explanation for the smog seen engulfing cities on frosty days.

Erosion of ozone layer responsible for mass extinction event

Wed, 05/27/2020 - 22:01
Researchers have shown that an extinction event 360 million years ago, that killed much of the Earth's plant and freshwater aquatic life, was caused by a brief breakdown of the ozone layer that shields the Earth from damaging ultraviolet (UV) radiation. This is a newly discovered extinction mechanism with profound implications for our warming world today.

Volcanic eruptions reduce global rainfall

Wed, 05/27/2020 - 17:50
Scientists have identified the mechanism behind the reduction in precipitation after volcanic eruptions. Volcano-induced El Niño amplifies the reduction in precipitation. Safety of geoengineering that mimic volcanoes is not guaranteed.

Bumblebees speed up flowering

Tue, 05/26/2020 - 20:46
When pollen is in short supply, bumblebees damage plant leaves in a way that accelerates flower production, new research reveals.

Climate change increases migration at the expense of the poor

Tue, 05/26/2020 - 20:15
A climate game shows that global cooperation can be possible -- although not without effort.

Dinosaur-dooming asteroid struck Earth at 'deadliest possible' angle

Tue, 05/26/2020 - 18:13
New simulations have revealed the asteroid that doomed the dinosaurs struck Earth at the 'deadliest possible' angle.