Blog Profile / Physorg: Earth

Filed Under:Issues & Causes / Environmentalism
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Archived Since:September 5, 2016

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Orange is the new green: How orange peels revived a Costa Rican forest

In the mid-1990s, 1,000 truckloads of orange peels and orange pulp were purposefully unloaded onto a barren pasture in a Costa Rican national park. Today, that area is covered in lush, vine-laden forest.

What's the annual value of trees? $500 million per megacity, study says

In the megacities that are home to nearly 10 percent of the world's 7.5 billion people, trees provide each city with more than $500 million each year in services that make urban environments cleaner, more affordable and more pleasant places to live.

How do international development projects affect property values?

When looking to buy a home or other property in the U.S., location is typically at the top of the list—many buyers value properties with access to amenities like schools, parks, and an easy commute. But is that value shared by home buyers...Show More Summary

How to win the climate wars – talk about local 'pollution' not global warming

Donald Trump has done many things to tarnish America's reputation, but his decision to walk away from the Paris Agreement is probably the most internationally symbolic and damaging. That a US president can put climate change denial at...Show More Summary

Prototype technology for unearthing minefields with fire developed by team

Engineers have developed prototype technology that uses controlled burning to partially reveal landmines buried in peat soil.

Model reveals best approach to get people to conserve water in different areas

(—A team of researchers from several institutions in Australia has developed a model that sheds light on the social factors involved in getting users to cooperate on water conservation efforts. In their paper published in the journal Nature Human Behavior, the group describes the factors they used to build their model and what it revealed.

Inexpensive, accurate and rapid characterisation of metal-contaminated sites

A new accurate, rapid and inexpensive method for assessing metal-contaminated sites has been trialled by environmental scientists from Macquarie University, Sydney. The method uses a combination of portable X-ray Fluorescence technology...Show More Summary

To fight climate change, put seaweed in the mix

The next stage of humanity's fight to reduce greenhouse emissions may revolve around seaweed, according to tonight's episode of ABC's Catalyst, presented by Professor Tim Flannery, which asks the question "can seaweed save the world...

New York's waterways are swimming in plastic microbeads

It's morning. Brush your teeth. A quick shower, shampoo. Going to the beach? Get on the sunscreen. OK, ready to roll. You've just sent countless microscopic plastic bits swirling down the drain, through the sewer system and into the nearest water body.

Marine microplastics detected in bottom-dweller bellies for the first time

Around half of marine creatures living at depths of more than 2,000 metres in the North Atlantic could be eating microplastic material, marine scientists have discovered.

How green roofs can help cities sponge away excess stormwater

Spring and summer 2017 have been among the wettest on record in eastern North America, including southern Ontario.

Ancient Earth's hot interior created 'graveyard' of continental slabs

Plate tectonics has shaped the Earth's surface for billions of years: Continents and oceanic crust have pushed and pulled on each other, continually rearranging the planet's façade. As two massive plates collide, one can give way and slide under the other in a process called subduction. Show More Summary

Researchers produce new map of seismic hazards in Brazil

Researchers are working on a new national map of seismic hazards for Brazil. In preparing the seismic hazard map, the researchers first conducted a survey of the tremors that have occurred in Brazil in recent decades in order to determine the level of seismic activity in each region.

Hidden river once flowed beneath Antarctic ice

Antarctic researchers from Rice University have discovered one of nature's supreme ironies: On Earth's driest, coldest continent, where surface water rarely exists, flowing liquid water below the ice appears to play a pivotal role in determining the fate of Antarctic ice streams.

New climate change report likely to be ignored to death

The National Oceanic and Atmospheric Administration officially confirmed last week that 2016 was the Earth's hottest year on record, surpassing 2015, which surpassed 2014. The NOAA had reported this unofficially back in January. What...Show More Summary

Shocking gaps in basic knowledge of deep sea life

Human interference in the deep sea could already be outpacing our basic understanding of how it functions.

Clean energy scores a small victory

Government scientists worried that their long-in-the-works assessment of climate change would be suppressed. The concern hardly rates as overwrought. Scott Pruitt, the head of the Environmental Protection Agency, says he does not believe that carbon dioxide is a primary contributor to global warming. Show More Summary

Dino-killing asteroid could have thrust Earth into 2 years of darkness

Tremendous amounts of soot, lofted into the air from global wildfires following a massive asteroid strike 66 million years ago, would have plunged Earth into darkness for nearly two years, new research finds. This would have shut down photosynthesis, drastically cooled the planet, and contributed to the mass extinction that marked the end of the age of dinosaurs.

Virus reprograms ocean plankton

A virus which infects ocean plankton can reprogramme cells and change the way they absorb nutrients - potentially changing how carbon is stored in the ocean, new research shows.

Targeted forest regeneration: A blueprint for conserving tropical biological diversity?

Tropical forests contain more than one-half of all plant and animal species on Earth. Unfortunately, they are disappearing at the highest rate of any forests worldwide. Furthermore, many of the most threatened tropical species are restricted to 20 or so biodiversity hotspots, which are sites that have lost more than 70 percent of their original habitat.

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