The scientists found that, from 1975 up to 2011, solar panels were actually a source of greenhouse gases globally. The emissions avoided by existing solar panels were insufficient to offset the amount of emissions being produced by the rapid production of new solar panels.
But in 2011, this flipped. Instead of being a net source of emissions, the solar industry started avoiding more emissions than it emitted, providing a net climate benefit. Continue reading
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Emily Hois, “More Solar Installed In 18 Months Than Past 30 Years,” 7 March 2014, Clean Energy Collective
“Renewables Now Cheaper Than Fossil Fuels in Australia,” Environmental News Network, 8 January 2014
A study by Bloomberg New Energy Finance (BNEF) in Australia has discovered that renewable energy is cheaper to produce than the old conventional fossil fuel sources, and that is without the subsidies.
Juan Cole, “Solar would be Cheaper: US Pentagon has spent $8 Trillion to Guard Gulf Oil,” informed Comment, 8 December 2013
It has cost the United States $8 trillion to provide military security in the Gulf since 1976. According to Roger Stern, a Princeton economist, the US has spent as much on Gulf security as it spent on the entire Cold War with the Soviet Union! In recent years through 2010 it has been $400 billion a year, though the US withdrawal from Iraq at the end of 2011 and the gradual withdrawal from Afghanistan this year and next presumably means that the figure is substantially reduced. Still, we have bases in Kuwait, Qatar and elsewhere, and a Naval HQ in Bahrain, none of which is cheap. If it were $200 billion a year, that is a fair chunk of the budget deficit the Republican Party keeps complaining about. And if we could get that $8 trillion back, it would pay down half of the national debt. …
“Solar Energy Perspectives,” International Energy Agency, 2011
In 90 minutes, enough sunlight strikes the earth to provide the entire planet’s energy needs for one year. While solar energy is abundant, it represents a tiny fraction of the world’s current energy mix. But this is changing rapidly and is being driven by global action to improve energy access and supply security, and to mitigate climate change.
Download the report here.
“Solar Could Help Australia Phase Out Coal Power by 2040,” Solar Energy News, July 26 2013
Australia could phase out almost all its fossil-fuel sourced electricity by 2040 if it doubled the current rate of take-up of solar energy and wind energy maintained its current growth pace, said Professor Ken Baldwin, director of ANU’s Energy Change Institute. …
Solar energy, currently dominated by photovoltaic cells, is adding about 1 gigawatt of capacity annually, roughly equivalent to the amount added by wind farms. If the pace of solar energy expansion doubled, starting in 2025, it would overtake fossil-fuel fired power plants by 2030 and leave only a couple of gigawatts of coal or gas power by 2040 – down from almost 40 gigawatts now. …