Impacts buffalonews.com Don Paul: How close are we to climate change tipping points? If we can calculate what makes a tipping point, it may be just as difficult to calculate how close we are to reaching such a tipping point or, worse, if we have already passed it.
Impacts buffalonews.com Don Paul: Climate change has some Floridians fleeing In the long run, it is young and middle-aged adults who will feel the greatest negative impacts from climate change.