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Climate change and climate prediction. Read science articles on regional climates and global climate shifts. Updated daily.
Updated: 19 min 55 sec ago

Warming impedes a coral defense, but hungry fish enhance it

Wed, 10/02/2019 - 21:42
Corals exude chemical defenses against bacteria, but when heated in the lab, those defenses lost much potency against a pathogen common in coral bleaching. There's hope: A key coral's defense was heartier when that coral was taken from an area where fishing was banned and plenty of fish were left to eat away seaweed that was overgrowing corals elsewhere.

Carbon emissions soar as tourism reaches new heights

Wed, 10/02/2019 - 19:17
A researcher is examining how the flight routes people take to get to tourist destinations impact the amount of pollution in the air.

Microscopic evidence sheds light on the disappearance of the world's largest mammals

Wed, 10/02/2019 - 19:17
Understanding the causes and consequences of Late Quaternary megafaunal extinctions is increasingly important in a world of growing human populations and climate change. A review highlights the role that cutting-edge scientific methods can play in broadening the discussions about megafaunal extinction and enabling insights into ecosystems and species-specific responses to climate change and human activities.

Species could buffer reproduction against climate change through sperm and egg plasticity

Wed, 10/02/2019 - 18:26
New research shows that beetles have evolved sophisticated mechanisms to reproduce despite warmer temperatures. They have evolved mechanisms that allow their sperm and eggs to quickly cope with increasing environmental temperature variation. And this could help species buffer themselves against climate change.

African evidence support Younger Dryas Impact Hypothesis

Wed, 10/02/2019 - 18:03
A team of scientists from South Africa has discovered evidence partially supporting a hypothesis that Earth was struck by a meteorite or asteroid 12,800 years ago, leading to global consequences including climate change, and contributing to the extinction of many species of large animals at the time of an episode called the Younger Dryas.

Preventing future forest diebacks

Wed, 10/02/2019 - 17:27
Removing dead trees from the forests and reforesting on a large scale: this is the German Federal Government's strategy against 'Forest Dieback 2.0', researchers say. Ecologists call for other solutions.

Limited seed availability, dry climate hamper post-wildfire forest recovery

Wed, 10/02/2019 - 14:59
A lack of tree seedling establishment following recent wildfires represents a crucial bottleneck limiting coniferous forest recovery in the western US, new research finds.

Rising ozone is a hidden threat to corn

Tue, 10/01/2019 - 15:39
By exposing a genetically diverse group of corn plants in the field to future ozone levels, researchers discovered hidden vulnerabilities.

African child deaths could be prevented by improving environmental quality and reducing population

Tue, 10/01/2019 - 04:45
Children under 5 years of age in Africa are much more likely to die as a direct result of poor health linked to air pollution, unsafe water, lack of sanitation, increased family size, and environmental degradation, according to the first continent-wide investigation of its kind. An international team of researchers have analysed data to break down the correlation between increased child mortality, environmental degradation,and population density of all countries across the African continent.

Climate change could pit species against one another as they shift ranges

Tue, 10/01/2019 - 01:10
Species have few good options when it comes to surviving climate change -- they can genetically adapt to new conditions, shift their ranges, or both. But new research indicates that conflicts between species as they adapt and shift ranges could lead experts to underestimate extinctions, and underscores the importance of landscape connectivity.

Microbes in warm soils released more carbon than those in cooler soils

Mon, 09/30/2019 - 23:19
Simply by moving tropical soils down a mountainside into warmer environments, a team has discovered that much more CO2 may be released due to increased microbial activity as soils warm.

Collapse of desert bird populations likely due to heat stress from climate change

Mon, 09/30/2019 - 23:18
Last year, biologists discovered that bird populations in the Mojave Desert had crashed over the past 100 years. The biologists now have evidence that heat stress is a key cause. Simulations with a computerized 'virtual bird' suggest that with higher temperatures, birds need more water to keep cool. Larger insectivores or carnivores should be most affected, and small seed-eaters less so if drinking water is available: just as the biologists reported last year.

Brave new world: Simple changes in intensity of weather events 'could be lethal'

Mon, 09/30/2019 - 20:15
Faced with extreme weather events and unprecedented environmental change, animals and plants are scrambling to catch up -- with mixed results. A new model helps to predict the types of changes that could drive a given species to extinction.

Multifactor models reveal worse picture of climate change impact on marine life

Mon, 09/30/2019 - 20:15
Rising ocean temperatures have long been linked to negative impacts for marine life, but a team has recently found that the long-term outlook for many marine species is much more complex -- and possibly bleaker -- than scientists previously believed.

Santa Barbara coastline: Preparing for the future

Mon, 09/30/2019 - 20:15
Santa Barbara County residents love their coastline, from the small-town beaches of Carpinteria to Santa Barbara's waterfront to camping hotspots like Jalama Beach and dramatic Guadalupe Dunes. But drastic changes are in store in coming decades as temperatures and sea levels rise, bringing massive impacts to local ecology and human systems.

Urban beaches are environmental hotspots for antibiotic resistance after rainfall

Mon, 09/30/2019 - 17:16
New research provide clear links between storm-water discharge, which sometimes includes wet-weather sewer overflow (WWSO) events, and the presence of AbR in microorganisms living in urban beach habitats.

Impact of climate change on Louisiana's Houma tribe

Fri, 09/27/2019 - 19:25
Repeated disasters and environmental changes on Louisiana's Gulf Coast are rapidly eroding the land, and along with it, an Indigenous tribe's ability to sustain its culture, health and livelihoods, new research suggests.

For this ocean dweller, ability to respond to warming waters is about location

Fri, 09/27/2019 - 18:25
A new study seeks to tease out some of the myriad pressures that drive adaptation in small, widely dispersed marine animals called copepods.

Longest coral reef survey to date reveals major changes in Australia's Great Barrier Reef

Fri, 09/27/2019 - 14:49
An in-depth look at Australia's Great Barrier Reef over the past 91 years concludes that since 1928 intertidal communities have experienced major phase-shifts as a result of local and global environmental change, leaving few signs that reefs will return to their initial state in the near future. The long-term implications of these changes highlight the importance of avoiding phase shifts in coral reefs which may take many decades to repair, if at all.

Hurricanes: Improving rapid intensification predictions

Thu, 09/26/2019 - 18:40
Many scientists have said that storms are more intense than ever before - Cat. 4 or 5 storms used to be outliers, but today, it seems they are becoming the norm. Why? That's the question a research team is working to answer - they are looking what contributes to the rapid intensification of storms.