After a hollow Copenhagen accord, Secretary Clinton signed a bilateral agreement with Brazil this week to combat deforestation, a major cause of greenhouse gas emissions.
After a hollow Copenhagen accord, Secretary Clinton signed a bilateral agreement with Brazil this week to combat deforestation, a major cause of greenhouse gas emissions. "The United States and Brazil signed a memorandum of understanding to work together to slash greenhouse gas emissions from tropical deforestation, one of the main drivers of global climate change. The deal, signed by Secretary of State Hillary Rodham Clinton in Brasilia on Wednesday, marks the first time the two countries have formally agreed to work together on deforestation. In the past, Brazilian leaders have been wary of foreign interference in the Amazon, Earth's largest tropical forest. But climate scientists are raising loud alarms that the slashing and burning of forests, which cause about 15% of the emissions that are trapping heat in the atmosphere, threatens to dangerously disrupt the world's climate.
Indonesia and Brazil are, respectively, the globe's third and fourth biggest emitters of carbon dioxide, after the U.S. and China, mainly because of how rapidly they are destroying their forests. In Copenhagen in December, a group of nations made progress in negotiating rules for quantifying the carbon saved by avoiding deforestation, so that credits could be used to offset industrial emissions, a program known as "Reducing Emissions from Deforestation and Degradation" -- or REDD."
It's a development that could one day lead to much better treatments for osteoporosis, joint damage, and bone fractures.
- Scientists have isolated skeletal stem cells in adult and fetal bones for the first time.
- These cells could one day help treat damaged bone and cartilage.
- The team was able to grow skeletal stem cells from cells found within liposuctioned fat.
Gut bacteria play an important role in how you feel and think and how well your body fights off disease. New research shows that exercise can give your gut bacteria a boost.
- Two studies from the University of Illinois show that gut bacteria can be changed by exercise alone.
- Our understanding of how gut bacteria impacts our overall health is an emerging field, and this research sheds light on the many different ways exercise affects your body.
- Exercising to improve your gut bacteria will prevent diseases and encourage brain health.
A groundbreaking new study shows that octopuses seemed to exhibit uncharacteristically social behavior when given MDMA, the psychedelic drug commonly known as ecstasy.
- Octopuses, like humans, have genes that seem to code for serotonin transporters.
- Scientists gave MDMA to octopuses to see whether those genes translated into a binding site for serotonin, which regulates emotions and behavior in humans
- Octopuses, which are typically asocial creatures, seem to get friendlier while on MDMA, suggesting humans have more in common with the strange invertebrates than previously thought
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