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Still Waters

Reflecting sun's rays would cause crops fail

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Still Waters

Proposals to combat climate change by reflecting the sun’s rays back into space would cause widespread crop failure, cancelling out any benefits to farming from the reduction in warming, according to new research.

By examining the effects of volcanic eruptions on agriculture – which has a similar effect to proposed artificial methods of scattering solar radiation through aerosols – scientists have concluded that such methods could have unintended consequences.

https://www.theguardian.com/environment/2018/aug/08/reflecting-suns-rays-would-cause-crops-to-fail-scientists-warn

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seanjo

We need to stop for a moment and actually think through a real strategy, blundering into ideas with no thought of possible consequences is what got us into this position in the first place. Every alternative energy form has side effects, every attempt at changing climate may have side effects we cannot foresee.

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Tatetopa
2 hours ago, seanjo said:

We need to stop for a moment and actually think through a real strategy, blundering into ideas with no thought of possible consequences is what got us into this position in the first place. Every alternative energy form has side effects, every attempt at changing climate may have side effects we cannot foresee.

As long as we stop and think, that would be good.  We also need to put some thought and foresight into what will likely happen if we do nothing.

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seanjo
52 minutes ago, Tatetopa said:

As long as we stop and think, that would be good.  We also need to put some thought and foresight into what will likely happen if we do nothing.

We aren't doing 'nothing' though we are trying lots of tech and alternatives, but some may be worse than the oil/coal based fuels we are using now.

Take Hydrogen cells for instance, Hydrogen is a by-product of oil refining; if we start using millions of hydrogen cell powered vehicles etc. then the by-product of that combustion is water and water vapour, the most abundant greenhouse gas is water vapour, do we really want to add millions of tonnes more to that over the years?

Take electric cars and their ecological time bomb batteries, if we all started using electric cars, the power grid would collapse, there would have to be a substantial new power station building project, plus all you are doing is offsetting your carbon footprint to power stations.

It's a complicated bag of worms that needs real thought.

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L.A.T.1961

I thought this process was already going on ? 

Global Dimming - 

We are all seeing rather less of the Sun. Scientists looking at five decades of sunlight measurements have reached the disturbing conclusion that the amount of solar energy reaching the Earth's surface has been gradually falling.

The amount of sunlight reaching the Earth’s surface has decreased by about 2 per cent every ten years, because more sunlight is being reflected back into space. The particles from burning fuels reflect sunlight, and they also cause more water droplets to form in the clouds. This makes the clouds better at reflecting sunlight back into space.

It is likely that global dimming has hidden some of the effects of global warming, by stopping some of the Sun’s energy reaching the Earth’s surface in the first place. 

There is the possibility that as the air becomes less polluted by smoke and soot, global dimming will decrease, causing the effects of global warming to become more obvious.

http://www.bbc.co.uk/sn/tvradio/programmes/horizon/dimming_prog_summary.shtml

http://www.bbc.co.uk/schools/gcsebitesize/science/aqa_pre_2011/rocks/fuelsrev7.shtml 

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South Alabam

What about artificial clouds made by aircraft? Might have to use chemicals and such to do such a thing. I'd call them "Chemtrails."

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