Earth is on brink of a sixth mass extinction, scientists say, and it’s humans’ fault

[dv1033]

Originally Posted by Starman71

List for me some of these synthetic ones and their ppm's (or more likely ppb's) in the atmosphere. Please include their properties, how long they stay in the atmosphere, and how they influence the greenhouse effect. I would really love to know.

LOL.

Let me Google that for YOU

Everything else you listed was in the atmosphere before us, and will continue long after we're fossils. What's your point?

Well we've been releasing the stored hydrocarbons (thus greenhouse gases and particulate matter) at a high rate. Do you deny that intense geological activity causes climate change or that an asteroid impact will cause climate change?

[ntwrkguy1]

Originally Posted by Clark Park

Apres mois, le Deluge. -- Louis XV

To do is to be. --- Plato
To be is to do. --- Socrates
Do be a 'do-bee' -- Miss June
Do be, do be do -- Sinatra

[dv1033]

Originally Posted by workingclasshero

oh really...


just what is '''normal'''

the american cheetah went extinct in 11000 bc

the eastern elk went extinct in 1880


1000's came extinct over the last 10,000 years...the rate is not increasing,, its all part of evolution (survival of the fittest), its just we are tracking it better

No. We have destroyed tens of millions of acres of habitat in a geologically short time span. The oceans are acidifying faster than organisms can adapt to it and we've overfished the ocean.

We are the fittest and it's causing a massive extinction.