To begin with this debate seems to lack enough scientific spirit, since for too many scientists global warming - also referred to by the euphemism "climate change" - has developed the sacredness of religious dogma.
Proselytising for climate change is the real agenda for many of these scientists.
Climate by its very nature "changes" - but it's not the kind of threat that the scientific priesthood claims it to be. Life has recovered from major climatic disasters in the ancient past.
Humans, however, are indeed the most serious AND IMMEDIATE threat to life that this planet has ever known, particularly since the inception of the nuclear age.
The report below outlines the main arguments: did humans caused megafauna to go extinct - or didn't they?
The questions are mostly academic because regardless of the answer, the most urgent threats RIGHT NOW are the chemical, biological, genetic, and nuclear weapons humans have unleashed on the planet.
Those weapons have negatively altered or already destroyed life forms and their habitat.
AND GREED is a big player too. The fate of the elephant, among many other species, is an example of how mindless greed can wipe out a valuable species in only a few years. Elephants are headed for extinction in only ten years.
Looking at a prehistoric human armed with spears as indicative of a trend and trying to apply that scenario to the present is quite absurd.
Humans had a lot to do with past animal extinctions. How much, we really don't know.
But what these scientists ought to be doing right now is fighting nuclear power that is threatening to wipe out all life on Earth.
The damaged Fukushima nuclear power plant in Japan is expected to continue spewing tons of highly radioactive waste into the ocean for hundreds of years to come.
And Fukushima is only one of many nuclear plants where a single human error or a natural disaster can turn them into weapons of mass destruction in only a matter of minutes.
But that's not all. We are also leaving a legacy of nuclear waste for future generations. We have literally turned paradise into a nuclear waste dump.
Endangered SIBERIAN TIGER - only 8000 left in the world, victims of poaching and human-caused damage to their habitat.
ELEPHANTS too are endangered and it is estimated that at the current rate of poaching they will be extinct in only TEN YEARS. The greatest consumers of elephant ivory are China and other Asian countries.
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DAILY MAIL - Are humans Earth’s biggest enemy? Debate over whether we have destroyed the planet since mankind's birth rages at conference
