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Asked by theyseemetrolling to Angus, Christian, Hannah, Laura, Simon on 18 Jun 2013.
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Simon Holyoake answered on 18 Jun 2013:
I think it would be quite a while, trees are not the only source of Oxygen on the planet, in fact almost 1/3 is produced by plankton in the oceans, increased Carbon dioxide levels would hopefully lead to increased plankton levels as well as other plants, which would go some way towards counteracting the loss of all the trees
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Angus Ferraro answered on 18 Jun 2013:
Interesting idea! I think all sorts of weird things would happen. Lots of animals rely on forests to live, so they would probably die quite quickly. But some animals might prefer running around among all those dead trees. Like Simon says, we might not die straight away. But the world would be a weird place, and not a very nice on in my opinion. I love trees!
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Christian Maerz answered on 19 Jun 2013:
It is sad to say, but our survival does not necessarily rely on trees (although I am a huge tree fan, and I would be very sad to see them being chopped down). As Simon said, there are tons and tons of algae in the ocean, and they produce most of the oxygen in our atmosphere. In fact, when the atmosphere after the formation of the Earth developed, it was oxygen-free, and it only became oxygenated because of microbes and algae. Trees only appeared millions of years later.
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Laura Roberts Artal answered on 19 Jun 2013:
I agree with the other scientist, I don’t think it would mean we would die, however, I so think that Earth as we know it now would not exist either. Large tropical rain forests drive weather systems over Africa and South America. There is already evidence that deforestation is one of the causes of severe draughts experienced in some areas of Africa. I think we would see more extreme weather across the globe and Earth just wouldn’t be such a nice place to live on.
Plus, so many animals and insects would loose their homes :(!
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