Our planet's lungs are dying...

Trees are like our planet’s lungs. Every second of every day, they’re absorbing CO2 from the atmosphere, and converting it into energy.

In fact, according to a study by researchers at NASA, each year, tropical rainforests absorb a staggering 1.4 billion metric tons of CO2 from Earth’s atmosphere.

Through the process of photosynthesis, they’re “inhaling” that CO2, and keeping it from further damaging our planet and speeding up the process of climate change.

Photosynthesis is a process used by trees and other plants to convert sunlight into chemical energy that can be used later as fuel. During photosynthesis, plants absorb CO2, which is combined with water - H2O - to produce a mixture of carbon, oxygen, and hydrogen called “carbohydrates” - everything from roots to stems to leaves and fruits.

And by absorbing and binding the carbon in carbon dioxide that way, our planet’s tropical rainforests are an invaluable line of defense in the fight against global warming and climate change.

But unfortunately, new studies are showing that that defense is weakening.

Our planet’s lungs are dying.

For the first time in history, scientists have been able to determine the rate at which trees in the Amazon rainforest can absorb carbon during periods of drought.

Scientists have known for a while that a drought can impact an individual tree’s ability to “inhale” carbon, but now, we know just how big that impact is.

Researchers looked at the growth and photosynthesis rates of trees in 13 different Amazon rainforest locations throughout Brazil, Peru, and Bolivia.

Some of those locations were affected by a severe drought in 2010 and some weren’t.

The researchers found that trees in areas that were affected by the 2010 drought had much lower photosynthesis rates than trees in areas that were not. And, they were also in poorer overall health than their drought-free companions.

Speaking about this groundbreaking study, Christopher Doughty, one of the researchers, said that, “Tropical rainforests have been popularly thought of as the ‘lungs’ of the planet. Here, we show for the first time that during severe drought, the rate at which they ‘inhale’ carbon through photosynthesis can decrease.”

Doughty went on to say that, “This decreased uptake of carbon does not decrease growth rates but does mean an increase in tree deaths. As trees die and decompose, the concentrations of carbon dioxide in the atmosphere will increase, potentially speeding up climate change during tropical droughts."

And thanks in large part to those droughts, our tropical rainforests are disappearing at an alarming rate, again reducing their ability to absorb CO2 and slow down climate change and global warming.

In a study published in the journal Geophysical Research Letters, researchers point out that during the 1990’s and 2000’s, the loss of tropical rainforests globally increased by a whopping 62 percent.

There are a lot of factors behind the loss of our rainforests, from drought to deforestation and urbanization - the common denominator is that all are caused or made worse by human activity.

Between 2000 and 2010 alone, the net tropical rainforest loss rate was 6.5 million hectares per year.

To put that in perspective, that’s the equivalent of clearing out a piece of land the size of West Virginia EVERY YEAR.

That’s a lot of trees and a lot of carbon-absorbing power being wiped out each year.

Tropical rainforests, and really all forests, play a huge role in the fight against climate change and global warming.

But, as more and more tropical rainforests are wiped out, from natural causes like drought or manmade causes like deforestation, we’re losing a key ally in the climate change fight.

When it comes to the fight against global warming and climate change, we’re in the fight of our lives, and we need all the help that we can get.

We need to start protecting our planet’s forests, so that they can in turn protect us.

Save the rainforest, save the planet…


warrior0713's picture
warrior0713 7 years 47 weeks ago

wonderful written now is the time to heal the planet hopefully its not to late. thanks thom

Ocean Pete's picture
Ocean Pete 7 years 47 weeks ago

Dont' forget 50% of the CO-2 carbon converted to oxygen we breathe comes from plankton on ocean's surface. These critters are begining to suffer due to increased ocean acidity and unable to form their shells. Every other breath of air you inhale is the product of ocean plankton.

Aliceinwonderland's picture
Aliceinwonderland 7 years 47 weeks ago

Oh come on people... PROFITS are EVERYTHING! Long as the Almighty Oligarchs can make their tidy profits, who the hell cares about rainforests anyway? And who needs clean air and water? You liberals have your priorities all screwed up. It's a New World Order now. Time to get with the program!!! Rainforests and oceans and clean air are for sissies, tree huggers and New Agers.

mcowley01's picture
mcowley01 7 years 47 weeks ago

Alice, you could get a job on Fox 'News'.

jasonemryss's picture
jasonemryss 7 years 47 weeks ago

Great Article. It almost seems like a conspiracy to destroy the planet.....

Greenthumb's picture
Greenthumb 7 years 47 weeks ago

"Transporting data now uses 50% more energy than aviation", and this amount is growing exponentially (from a segment on today's WNYC Brian Lehrer Show). So, if we get rid of the internet, world aviation, the cows, the plastic wrapped around the hay bales for the cows that we won't need anymore, that will give us enough CO2 breathing space to do what Humans love best - BREED exponentially! Time to get with the program!!!

humanitys team's picture
humanitys team 7 years 47 weeks ago

Humans are a very primitive species we do not understanding that without the big self the little self dies or becomes extinct .We are the little self the planet and its systems are the big self .The big self serves us with Oxygen and we pre serve the big self by breathing out C02 . That is we preserve life by simply breathing in the pure oxygen that the lungs of the planet provide and we serve them with exhaling C02.

The problem is we do not understand that the trees have needs , the needs are not as great as humans .But they have to be our top priority or we are FINISHED .

Thanks Thom we are so grateful that you are with us at this time .


chuckle8's picture
chuckle8 7 years 47 weeks ago

Ocean Pete -- Thanks for the good reminder.

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