North American burning caused fire-resistant trees such as oak and pine to dominate forests in the eastern United States. However, when the practice stopped, fire-resistant trees started to lose ground.
Earth/Environment May 22, 2019
Tree rings reveal that the old trees in the forests of notheastern China are experiencing a growth spurt because of climate change. What are the pros and cons of the growth spurt?
Earth/Environment May 10, 2019
Researchers from the University of Arkansas have found the oldest living trees in eastern North America. The trees, which are located along the Black River in North Carolina, help provide scientists with new data on climate conditions in ancient times.
Earth/Environment May 10, 2019
Scores of humans experience plant blindness, a nature deficit disorder characterized by underappreciation for plants. Researchers believe it can have an impact on the survival of plants, which have significant roles in religion, culture, and medicine.
Earth/Environment April 30, 2019
Trees are crucial in keeping cities and towns cool, a new study revealed. Researchers said the right amount of tree cover can keep temperatures cooler even during summertime.
Earth/Environment March 26, 2019
Scientists found that fungi and arthropods that feed on specific tree species maintain the biodiversity within tropical forests. The natural enemies of trees that prey on seeds and seedlings are preventing one tree species to take over an entire region.
Earth/Environment December 26, 2018
Increasing temperatures and drought are killing trees worldwide. Species of trees impacted by climate change include the sequoias, pine trees, and possibly, the iconic baobab trees of Africa.
Earth/Environment June 13, 2018
The largest and oldest Baobab trees in Africa, if not already dead, are currently dying. The researchers don’t have enough data to point out a culprit, but they believe it’s climate change.
Earth/Environment June 13, 2018
The asteroid that killed the dinosaurs had immense an immense biological impact on the species all across the world. By eliminating trees, this reduced the types of bird that survived the collision.
Ancient May 25, 2018
The depletion of the ozone layer caused by periodic volcanic eruptions has contributed to the largest mass extinction event Earth has experienced. How did the phenomenon lead to the collapse of the biosphere?
Earth/Environment February 8, 2018
The fossilized trunk of a cladoxylopsid tree, dating back to more than 300 million years, has astonished scientists. A study showed that these trees split themselves to grow.
Earth/Environment October 24, 2017
Tree-climbing goats in Morocco appear to have a different way of helping propagate the valuable Argan trees. The animals spit out the nuts that they eat, which helps disperse the seeds.
Animals May 31, 2017
Contrary to the perception that trees absorb carbon dioxide in bulk, a study by Western Sydney University has shown that the capacity for storage of carbon dioxide is not substantial. This was proved in reference to Eucalyptus trees in Australia.
Earth/Environment March 9, 2017
The Amazon rainforest has always been viewed as pristine and untouched by humans. But a new study has concluded that the forests may have been largely shaped by trees cultivated by early settlers thousands of years ago.
Earth/Environment March 6, 2017
A Bosnian pine tree growing in Greece is at least 1,075 years old, analysis of the growth rings revealed. Europe's oldest tree has already sprouted when the Vikings were still sailing the seas.
Earth/Environment August 21, 2016
It takes more than 300 years for ecologists to identify and catalog all tree species in the Amazon, a new study revealed. But ecologists have compiled a first-of-its-kind index that will help future research.
Earth/Environment July 13, 2016
Excessive light pollution is messing up Mother Nature's schedule. A study finds that nighttime light pollution is causing trees, even the later-budding ones, to bud earlier - at least a week in advance.
Earth/Environment June 30, 2016
Global warming has increased temperatures around the globe since the start of the Industrial Revolution - or has it? New studies show how clouds and trees may have fooled planetary climate models.
Earth/Environment May 25, 2016
Scientists discovered that birch trees have a day/night cycle, and rest their branches when the sun goes down. The finding can help researchers learn more about the rhythms of plants.
Earth/Environment May 20, 2016
India is spending an equivalent of $6.2 billion to increase its forest cover. The amount may seem big but the returns could be far more beneficial in the long run.
Earth/Environment May 6, 2016
A 200-year-old ash tree may hold the key to ending the ash dieback disease problem. The tree, which scientists named Betty, offers clues on how to fight the disease.
Earth/Environment April 25, 2016
It is known that trees compete for resources such as sunlight and soil nutrients, little do we known that they also share nutrients via complex root network. Researchers found out that trees are equipped with mycorrhiza fungi that allows the exchange and sharing of carbon isotopes.
Earth/Environment April 19, 2016
Forests may not contribute as much to global warming as once believed. How could rising temperatures affect the amount of carbon dioxide released by trees?
Earth/Environment March 17, 2016
The U.S. government was able to convict timber thieves in a landmark case using DNA profiling. By tracing the DNA profiles of the wood products and stumps of trees, experts were able to identify which were illegally harvested.
Earth/Environment March 9, 2016
Simply planting trees may not be completely effective in mitigating climate change issues we face today. Researchers found that some trees actually worsen the consequences of global warming.
Earth/Environment February 6, 2016
Cloning can be the key to giving the 2,000-year-old Lady Liberty new life. The cypress tree is one of Seminole County’s oldest in the Big Tree Park.
Earth/Environment December 30, 2015
A new NASA study revealed that previous mathematical methods to predict the carbon content of forests were more likely to be overestimated. Researchers said this occurs because of a sampling bias in which scientists prefer to evaluate smaller trees than larger ones.
Earth/Environment November 26, 2015
A video footage of what looks like the earth breathing went viral. A Canadian hiker who took the footage was in Apple River, Nova Scotia when the phenomenon happened.
Animals November 13, 2015
An ancient yew tree in a Scottish churchyard is showing signs of a sex change, botanists say. After centuries of being identified as male, it's producing berries on one branch – strictly a female thing.
Animals November 9, 2015
The Fortingall Yew has long been regarded as a male tree. Now, experts discovered that Britain's oldest tree is undergoing sex change.
Earth/Environment November 3, 2015
New Yorkers swept past their original plan to plant a million trees in a decade. Fighting climate change one tree at a time, the city met its goal with two years to spare.
Animals October 22, 2015
Sacha Saucek, a 7-year-old schoolboy in the UK, was hit by a falling branch during a school trip. He suffered severe fractures from his skull to his legs.
Life October 21, 2015
This small startup wants to change the world, one billion trees at a time. To do this, it is going to veer away from manual planting efforts and use drones to map and reach places that are inaccessible to humans.
Internet Culture October 6, 2015
Researchers from the Los Alamos National Laboratory have found that larger trees don’t have it better during dry spells, offering insight on tree health and its effects on the environment.
Earth/Environment October 1, 2015
Researchers have used satellite imagery, forest inventories and supercomputers to estimate the number of trees in the world. Previously thought to be in the billions, the new estimate puts the number in the trillions.
Animals September 3, 2015
The giant sequioas of California have gone through punishing storms, wildfires and environmental damages. But now, experts are worried that the prolonged drought may be the cause of the trees' death.
Earth/Environment August 18, 2015
There’s no escaping California’s drought problem. Now trees are collapsing, raising concerns over how much the lack of water is affecting public safety.
Earth/Environment August 5, 2015
Melbourne city officials have assigned email addresses to local trees to make it easier for citizens to report issues. People are now also sending love letters, thank you notes and questions regarding politics to their favorite trees.
Internet Culture July 15, 2015
City trees in Melbourne, Australia got email addresses in 2013 to keep track of their health and other issues, but since then, the city's citizens have also sent hundreds of emails to the trees.
July 14, 2015
Water efficiency increases in trees as concentrations of carbon dioxide rise. Does this mean global warming is a good thing?
Earth/Environment May 11, 2015
Loss of large trees in California makes state forests more susceptible to wildfires, researchers say. Decline in larger trees could also have an impact on the global carbon cycle, they add.
Earth/Environment January 22, 2015
As more carbon is released into the atmosphere, forests respond by using these to grow faster. The lush tropics help reduce the amount of the greenhouse gas that is airborne and, in effect, help slow down global warming.
Earth/Environment January 7, 2015
Ancient trees are the subject of photographer Beth Moon's new book. She spent the past 14 years documenting them.
Internet Culture January 3, 2015
Science to the rescue if you're too lazy to rake the leaves off your lawn. Leaving them alone is good for the environment in a number of ways, experts say.
November 22, 2014
Forests in the eastern United States were not affected by climate change over the last five centuries as much as local events, a new study found.
Earth/Environment October 16, 2014
Feature | Culture