.. Oh, you didn't mention that it takes six hundred years for the deadliest of the food chain isotopes (Cs-137, Sr-90) to decay to a reasonable concentration.. Yep other than that, contamination can be reversed.. Just not in a typical human life span .

P.S. Even time passage of a million years has little effect on some the other longer lived fission isotopes. Like Cs-135(6.9% fission yield, I-129, 0.84% yield).. Iodine-129 is particularly nasty since half of an animal's Iodine is concentrated in the thyroid gland. A 60,000 gram human has a thyroid that weights ~15 grams, you do the math.

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Cherry picking will never win scientific points.

Try this for size.

I'll add a couple of corrections to your list
4.3) CO2 absorbs IR photons, but also re-emits IR photons, but in a randomized spherical manor.
4.5) Increased randomization of IR photons interferes with the normal flow of energy from earth's surface to outer space.
4.7) As CO2 concentration increases more and more IR photons are re-directed back towards earth's surface at all levels of the atmosphere.
7) The net effect of increasing CO2 concentration increases temperature near earth's surface and decreases it at high altitudes.

Correction 380ppm was crossed in 2005-2006 time frame.

You're a bit out of date(2010), I see. Atmospheric CO2 has been crossing the 400ppm mark lately, (avr 399 ppm)

Over the last year(june2013-june2014) it climbed by 2.56ppm, and that rate of increase appears to be accelerating, thus humanity is going to be in deep doo-doo real soon if we don't stop burning fossil fuels.

The other facts you seam to be missing, Our star(SOL) was somewhat dimmer in the past, thus requiring much higher CO2 levels to keep the earth from freezing over. And that humanity is totally dependent on the current climate patterns..

Technically, Qualcomm violated the GPL license on the code it contributed to github.. Speciffically, the clause which licenses the code in perpetuity. Thus they can no longer offer their products for use in any Andriod phone or device which uses GPL'd software.

But if looks like Qualcomm has quickly seen the error of its ways and issued a retraction/apology.

I viewed the last nighttime launch of the space shuttle from a bit closer, 402 causeway. It was spectacular.. The subsonic rumbling makes your clothes vibrate like a bell, and is an awesome experience. I will make a special effort to see this rocket liftoff.

You really don't want to cook at higher temps since it promotes formation of Cancer causing compounds.

I find cooking at lower temps for a longer period produces more reliable results while avoiding an under cooked interior.

"40 years, another 1/2 trillion tonns of CO2".. is a significant under estimate!

Humanity is currently dumping 36 billion tonns(2013) of CO2 into the atmosphere each year. Projecting out using 2.1% yearly growth rate, humanity will hit that 1/2 trillion tonn mark in 2025. Just 11 years from now.

On the contrary, it's better for the grid than most people think, and it will get even better in the future. PV produces distributed energy when grid demand and associated losses is at its highest. Locally, when the sun is blocked by clouds A/C loads also diminished in a similar fashion.

At peak grid loads, every watt of locally product solar displaces upwards of 1.3 to 1.4watts of grid power. I.E. No more 20-25% loss from remote Power station to consumer, (Ohms law I^2R). And even parties not directly using locally generated PV energy will benefit by the overall reduction in centralized grid loading & losses.

It's just a matter of time before, more variable load devices(A/C's > 20seer, smart frig's, Heat pump WH, variable speed Pool pumps, etc,) come on line to take advantage of locally generated PV power.

Very few things in a typical household, need precise 24x7 on demand operation, some things can delayed, or done in advance, and/or accomplished at a reduced setting for longer period.

For example one could operate a 200L heat pump WH, when sun is brightly shinning during mid morning(Thermal battery), which in turn reduces the need to operate it in the evening or next morning when someone washes the dishes or takes a shower. Likewise, an A/C operated at lower power levels during the daytime, will in turn reduce the need for a night time cool down.

Minimal usage.. most can be recycled, acids neutralized, phosphorous can be recovred, BTW this is all in the manufacturing step.. None of which exists in final end product, which you claim makes silicon PV panels loaded with Toxic waste. Bzzzt.. wrong-o..

Cadmium, indium, gallium, lead, and selenium all are used in amorphous (low efficiency, flexible) or specialty solar panels in tiny quantities. not the multi-crystalline silicon type which are deployed in typical grid tie installations..

Sodium Hydroxide(NaOH, drain cleaner), KOH, not dangerous.. both easily neutralized into a salt, just add HCl until pH is 7.. Then you have a brine solution. same goes or H2SO4, HNO3, reuse, recycle and/or reduce.

You been caught by your pants down by your own deceptions..

Exactly what heavy metals incorporated into PV panels are you talking about??

Silicon, not a dangerous metal, you'll find silicon dioxide in vast quantities at any beach(sand), it also makes up 43% of earth's crust
Aluminum frame, not really, Al2O3 makes up 7% of earth's crust, also recycles real well.
Glass, a mixture of SO2 and few other harmless compounds.

A little bit of copper, also recyclable, soo what are you writing about??

Add to water density aspect, thermal expansion, water water isn't as dense as cold water.. more of if can be displaced..ergo higher tides..

A more likely scenario ... It will be the lack of machines which severely curtails humanity.. I.E.. EMP blast from orbit.. man-made, CME, Black hole formation.

Without our technology, 99.9% of humanity will quickly starve to death. Those that survive will be dealing with 400+ nuclear reactor meltdowns and spent fuel pool fires.. Average human lifespan will be reduced significantly.. Human's will be considered lucky to survive to age 30..

"With the melting of the tundra 10 years ago, we hit a tipping point, it became too late to stop climate change. It is now a positive feedback loop. You could remove every human being from the planet, and global warming would continue.

What we do about humanities 36 billion tonns/yr of CO2 emissions from FF, or not, will affect the rate of climate change. If at some point humanity starts producing a surplus of renewable energy, then we can extract CO2 from the oceans and use it to manufacture CH4 for later sequestration. At which point we really can reverse AGW.

But, first steps first.. We must reduce the amount CO2 emissions in the first place. By reducing wasteful energy usage(*), increasing the amount of renewable energy produced, and penalize fossil usage.

I.E. Wasteful energy usage, using a 10% efficient 2 tonn automobile where an Electric bike (600 to 1500MPGe), can accomplish the similar objectives.