The stories we tell about climate change are critical for tackling it. That’s why our friends at Possible Climate Action have pulled together their top 10 fiction and non-fiction books about climate change.
Read More - 10 Top Books about Climate Change Read MoreCarbon Sinks Full to the Brim
Carbon sinks are nature’s equivalent of a kitchen sink drain, where we’ve been effectively dumping our carbon pollution. Since the dawn of the industrial era, the planet’s rainforests and oceans have been absorbing roughly half the carbon we’ve been putting into the air.
Amazingly, these carbon sinks have been keeping up with the meteoric rise in emissions, which had scientists scratching their heads in disbelief as they cautioned that eventually, this natural resource would be tapped out. New research is showing that time may have finally come.
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The Amazon Has Lost its Appetite
A study conducted by the University of Leeds over a period of 30 years focused on the Amazon— a legendary rainforest that’s accounted for 20% to 25% of all carbon sequestered on land. Initially, the report postulates, all the excess emissions may have boosted the growth of plant life, which breathes in carbon dioxide like humans breathe oxygen.
But according to the university’s research, the amount of carbon dioxide absorbed by the Amazon Rainforest climaxed in the 1990s at around 2 billion tons per year, and its capacity has since dropped by half. The exact causes of this falloff are still being researched, but the report suggests that increased carbon emissions may have caused accelerated growth, and faster death, of plant life in the rainforest— locking up more carbon, but then releasing it as plants decay.
Accelerated Warming
Unfortunately, rainforests aren’t the only carbon sinks showing signs of stress. Scientists are predicting that escalating warming and CO2 will lead to oceans stratifying into separate layers, which will greatly hinder their ability to absorb emissions. Other natural carbon sinks, like the tundra and permafrost, will simply release long-stored carbon and methane as they melt, as northern climates shift from perpetually arctic to above freezing in the summer. What’s worse is that the carbon and methane release will only exacerbate the issue, creating a vicious cycle of warming.
What’s clear is that climate change models relying on carbon sinks operating at current levels need to be revised. We can’t take for granted that rainforests, oceans, and other natural carbon sinks will be able to absorb unlimited CO2— a reality that may lead to accelerated global warming if we don’t curb emissions now.
It’s yet another reason why we need to rally behind an international agreement on climate change at the UN Climate Change Conference this December in Paris. Join the movement by adding your name to the Avaaz petition calling for 100% renewable energy by 2050.
Join the Climate Movement!
Join Avaaz, Ben & Jerry’s and millions of citizens from around the world who are calling on leaders of the developed nations and the United Nations to tackle climate change at the upcoming summit in Paris. Our goal is for international leaders to work towards 100% Clean Energy by 2050. This ambitious goal is in line with the United Nations Intergovernmental Panel on Climate Change (IPCC’s) stated need for the elimination of all carbon pollution within the next 85 years. Learn more about the petition.
As climate change continues to wreak havoc all over the globe, the devastation is only getting worse. These 10 weather events prove it.
Read More - 10 Extreme Weather Events Caused By Climate Change Read MoreWe all love our chocolate, coffee and nut flavoured ice creams, but these crops are already under pressure from the intensified temperatures, precipitation and drought caused by climate change. We take a look at that the impact a warming planet is having on the “Endangered Pints List.”
Read More - Ben & Jerry’s Flavours We May Lose to Climate Change Read More