Searching for evidence of the Ice Age in Death Valley may sound paradoxical, but to find that evidence is proof that the world�s climate was once vastly different than it has been since humans have kept records. The documentary �A Global Warning?� reminds us of what science has long known: the Earth has undergone not just one Ice Age but several significant climate shifts whose effects were etch...

In response to Jim Draeger's comment, it would seem people are gradually becoming aware that the idea of out with the old, in with the new is not always a viable option for greening our enviroment (though many continue to believe it's cheaper to start from scratch, disregarding the fact that, as Draeger rightly pointed out, doing so takes a great toll on the available resources etc). In fact ther...

I've been in the energy business for 40 years and been a pioneer in both the demand side energy reduction and supply side renewable energy generation fields, so when I read Wisconsin Environment's "strategies" for reducing climate change I couldn't help but wonder, "Who are these guys talking to?" ("Global Warming Hits Home, Jan. 31)

Gov. Jim Doyle has convened a Global Warming Task Force and the state Legislature is debating whether to place limits on the emissions of greenhouse gases, which contribute to global warming.