The reason plastic is bad for the Earth is that when plastic finds it's way into landfills, it takes much more time to return to its Earthly matter.
Also, try visiting a few of these websites to get more information, as I am not 100 percent sure of my own answer.
http://abcnews.go.com/Health/story?id=2138565&page=1
http://www.sciencedaily.com/releases/2008/01/080130092108.htm
Here is the best result I have found about why plastic bottles are harmful for our environment.
http://julesmay.wordpress.com/2007/10/02/why-recycling-is-bad-for-the-environment/
Because it comes from crude oil which is non renewable also it takes centuries for it to bio degrade
because it is almost impossible for plastic to decompose; it can take years
No, most plastics actually take longer to decompose than aluminum. However plastic is much more easy and cheap to reuse for companies.
They cannot be recycled
How are they not environmentally friendly
With air pollution, traffic and gas prices all on the rise, it increasingly makes sense to consider how environmentally friendly a city is before moving there. Whether you are just starting a family or are thinking about retirement, everyone in your household will benefit from the clean air, renewable energy and growth management provided in the environmentally friendly cities.
No mining operation is environmentally friendly.
Yes, wind power is environmentally friendly.
it is not environmentally friendly thirs nothing friendly about tesco thy lie
They are environmentally friendly because its only feathers and cloth.
Yes, wind power is environmentally friendly.
You are able to purchase some subzero refrigerators that are environmentally friendly. There is a lot of information on the internet about the brands that are environmentally friendly.
The VW Passat car is voted one of the most environmentally friendly car of the year. The car runs on an environmentally friendly gas (Methane). It is considered one of the most environmentally friendly European car.
Seeing as they are both trees, I would imagine they are equally 'environmentally' friendly.
Environmentally friendly.
100% it is friendly to the environment