It wasn't the IPCC's biggest headline grabber. That we're headed for "severe, widespread and irreversible" impacts globally received most of the attention. But this should come as a shock only to those who have not been paying attention.
We can fence national boundaries with concrete and barbed wire, but unseen CO2 emissions are released into a border-less atmosphere. Right now, we are on track to triple these emissions by century's end.
'Mitigation' is not mysterious. It simply means taking reasonable steps to avoid harm to our natural resources, reducing that harm as much as possible if it can't be avoided and compensating for any harm that remains.
Just as important as understanding the impact of the mistake is knowing the cause of the mistake. If you ask whether someone has made a mistake or not, they are deceiving themselves if they say they have not.
Perhaps no major issue facing the entire world is more pressing than climate change, yet so far neither of our candidates for president have demonstrated that they are "awake" to either the impacts or the solutions.
An ongoing argument in the presidential election campaign is whether Gov. Romney's or President Obama's positions are better for small businesses on issues such as government regulation and energy policy. I asked David Levine for his opinion.
The market fails at giving a timely signal to prepare for "peak oil." Given that we can't invest trillions on the basis of mere speculation, where are we going to get the data on the basis of which to prepare in time?