David Keith on the BBC HARDtalk Show Geo-Engineering BBC Host - Stephen Sackur

The Solar Radiation Management Governance Initiative (SRMGI) is a partnership between the Royal Society and the Academy of Sciences for the Developing World (TWAS) and Environmental Defense Fund (EDF). The project report, launched on 1 December 2011, reviews the progress made by the Initiative to date, covering the international SRMGI conference held in March 2011. It reviews the different perspectives and governance possibilities, without picking winners, in order to open up discussion of the complex issues raised by solar geoengineering.
1) Carbon Dioxide Removal (CDR) techniques, which remove CO2 from the atmosphere. As they address the root cause of climate change, rising CO2 concentrations, they have relatively low uncertainties and risks. However, these techniques work slowly to reduce global temperatures.
2)Solar Radiation Management (SRM) techniques, which reflect a small percentage of the sun's light and heat back into space. These methods act quickly, and so may represent the only way to lower global temperatures quickly in the event of a climate crisis. However, they only reduce some, but not all, effects of climate change, while possibly creating other problems . They also do not affect CO2 levels and therefore fail to address the wider effects of rising CO2, including ocean acidification.
If you take the above into consideration without knowing that the model used is completely far fetched and wrong then we may as all get sprayed off this planet it w (According to NASA)

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[t0xicsky]

lying little weasel, when talking about SRM he said "what this does" not what this will/ could/might/maybe do etc he just admitted it!!

[HAPPYxGEORGE]

@t0xicsky Yeah didn't he just hahahaha

[HAPPYxGEORGE]

Make this Viral people Geoengineering should be banned, Global warming is a hoax, the models used were not correct,,,,, NASA have floored this model as being inquorate

[orbenn]

@HAPPYxGEORGE Whether global warming is a hoax is irrelevant to whether we should do geoengineering.

[gagdr]

Solar radiation is slowly being realised as the secret free energy supply of planet earth.what a coincidence that as this is being realised on a world wide basis,the geo-engineers are blotting out the sun on every occasion.Write to your political representative and ask for a repeal of the "free sky's policy"within Nato countries which gives these geoengineers "carte blanche" to pollute our environment and life support sytems.

[Limey1977]

Mad scientists are not only in Bond films it seems. This is happening on a daily basis.

[mmem701]

Geoengineering is already happening despite the fact that there is not such thing as global warming. The data was invented to produce the result they desired. It's all been exposed. The spraying we see in the sky today is harmful and has ruined my health and that of many I've spoken with.

[NicolasCagesGurl]

I swear are they stupid? Carbon dioxide is what our plants breathe to grow. If they don't grow, we die!

[masterchrisd]

I would like there to be more co2 in the atmosphere, so that more food will grow to feed all the poor and starving around the world. planetforlifedotcom quote 'Plants use photosynthesis to make themselves from water, carbon dioxide and energy from the Sun. ' and this dude wants to reduce 2 of the 3. He'll make money while life dies thanks to his experiments.

[masterchrisd]

you are going to kill people you idiot

[masterchrisd]

16 min David Keith believes that if you are against geoengineering, you don't care about nature, or about poor people, or about his company's profits.

[masterchrisd]

Thermostat knob? The Earth can regulate itself, David Keith, scientist, you're the knob. Stop spraying us with aluminium, you admitted in March that you don't know what the consequences may be.