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Human Impact Poster Project
17
Deforestation
Nobody likes it. Safe the planet from it.
By Katarina Knauss
Why are trees so important.
Tree are important because they make 28 percent of Earths oxygen(Google)
Trees are important because
Minute
To Google, Human cut down 3 trees per second
"As to the “number of trees” this represents, it's impossible to get an accurate count. Tree density in primary forests varies from 50,000-100,000 trees per square km, so the math would put this number at 3.5 billion to 7 billion trees cut down each year."Google
Year
"Assuming there are around 400 trees per acre (this depends greatly on the species, the age of the trees and if the area has been managed) making 55600 trees being destroyed every minute"Google
According to National Geographic 46 percent of trees have been cut down since people came and stated cutting them down
Impact
We need trees for a variety of reasons, not least of which is that they absorb not only the carbon dioxide that we exhale, but also the heat-trapping greenhouse gases that human activities emit. As those gases enter the atmosphere, global warming increases, a trend scientists now prefer to call climate change.
"2015 study in the journal Nature. About 17 percent of the Amazonian rainforest has been destroyed over the past 50 years, and losses recently have been on the rise." National Geographic
Other thing are being affected by deforestation like the Sumatran Tiger,Sumatran Rhino and Sumatran Elephant are all their homes.
eye opener
This is the Amazon Rainforest
By Geospatial world
This is happen all around the world
Source used are..
and
National Geographicworldwildlif