plants

Hardiness Zones Have Shifted North: Climate Change is Here

By Bruce Melton PEShifting Ecology

Five degrees of change—a half zone. Not average temperature; this is based on the average last freeze. I gave a presentation to the Austin Organic Garden Society last month and I remembered USDA had recently come out with new hardiness zone maps. The USDA changes in 2012 are not so much different than the 2006…

April 20, 2012

Love0

The Wall Street Journal “No Need to Panic About Global Warming” Sixteen Deniers Authorities Delegate Delay

By Bruce Melton PEMyths

January 29, 2012, The Wall Street Journal “No Need to Panic About Global Warming” Sixteen Deniers Authorities Delegate Delay – These 16 “scientists,” as the Wall Street Journal calls them, have published a letter that has some news for the readers of the WSJ. They tell us that our planet has not warmed for well…

January 29, 2012

Love0

Remember, average global warming over land is double the global average because of the cooling influence of our oceans and ice sheets, or 3.56 degrees C in December (6.4 F). and the average over the arctic is four times the global average or 7.12 C (12.8 F). Importantly, the increase in extreme temperature is far greater than the average, and extreme weather increases nonlinearly because of the basics of heat and energy physics, where a little warming does not create a little more extremeness in the weather, it creates a lot more.

Hardiness Zones Have Shifted North: Climate Change is Here

The Wall Street Journal “No Need to Panic About Global Warming” Sixteen Deniers Authorities Delegate Delay

Search the Knowledge Base

Search Knowledge Base Categories

Archive