While there is no major source of pollution, why is there still a hole in the ozone layer at Antarctica?
What is the biggest threat to our oceans right now?
How can we save our natural energy sources?
What can plastic bottles be recycled into?
Is hydro electric power beneficial for the environment?
What do you think our future cities will look like?
Do you think building the Three Gorges Dam was a good or a bad idea?
How should we address climate change?
How concerened should we be about global warming?
What alternative energy source do you think could have the biggest impact on reversing global warming?