Seems like Overpopulation, since they can not survive on the amount of resources available.
Scientists have yet to prove that the current global warming trend is not part of the natural cycle of Earth. Many things are being done now, mostly focusing on emission controls placed upon industry and transportation.
Shawna's work on her blog about cars would be best described as
unreliable. Although speaking outside of a scientific context, she is
very knowledgable about cars, it is also important to consider that all
of her information comes either from second-hand sources, or from
opinions that she personally holds, which is not the basis for reliable
information.
