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While trees are growing they absorb carbon dioxide from the atmosphere; dead trees release it again. Millions of trees have been lost to logging and fires in recent years.
Through a process called photosynthesis, leaves pull in carbon dioxide and water and use the energy of the sun to convert this into chemical compounds such as sugars that feed the tree. But as a by-product of that chemical reaction oxygen is produced and released by the tree.
Trees release flammable methane—here’s what that means for climate. Every year, Amazon Basin rivers overflow their banks, turning forests into wetlands. Such trees can emit a large amount of methane, new research suggests.
When forests burn, tree carbon matter is released in the form of CO2, which pollutes the atmosphere, and of which there are already excessive quantities.
Trees are resilient. It is no surprise, then, that in the face of tragedy, trees often become symbols of resilience, perseverance, and hope. When we see a tree come back from the brink of destruction, it inspires us and reminds us that life goes on and we can find a way to heal and grow.
Trees add Oxygen gas in our environment. This process helps the plants to release oxygen into the atmosphere and helps them to prepare their food by using carbon dioxide, light from the sun and water. We breathe in the oxygen gas that is released by plants and trees.
He’d found methane, the main ingredient in natural gas, in a tree. Years earlier, he wrote, he’d cut down some cottonwood trees and “observed the formation of bubbles in the sap upon the freshly cut trunk, stump and chips.”
The full climate impact of methane from trees is nowhere near that of the tens of billions of tons of carbon dioxide released annually from smokestacks and tailpipes, or the methane from, say, humanity’s vast cattle herds or gas fields.
Felling the carbon-rich trees of the Amazon produces greenhouse gases even before the oil is transported and burned, while indigenous communities and the Amazon’s vast trove of biodiversity are also at risk.
As oil interests seek to exploit areas of the Amazon, there are fears that indigenous communities will suffer from pollution, displacement and deadly illnesses due to a lack of acquired immunity.