Renewable energy sources offer unpreceded opportunities to reduce greenhouse gas emissions and mitigate the detrimental effects of climate change. But, some challenges remain to be solved before their full benefits can be reaped. The main one relate to the intermittency of their electricity supply which does not match energy demand and can lead to poor quality of electricity supply, grid stability problems and subsequently curtailment of their generation.
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Earth is warming at 5 nuclear bombs per second = 5X more than 1968 – 1992
Greenhouse gases have gone up 45% in 30 years
66% of humans will live in water stressed areas by 2025
Ice is melting 1 million tons per minute per year
Europe gets 50% of its renewable electricity burning imported trees
Europe burns 80% of recycled plastic & paper for electricity
Europe burns 50% of its palm oil shipments in cars & trucks
It takes tree plantations 30 years to recoup 10% of their carbon offset
Wildfire suppression cannot be scaled up for future wildfire scenarios
10 years cutting air pollution in China raised global north temps 0.1 °C
Abrupt permafrost thaw not modelled
Only 4% of total global energy is renewable and only 2% is solar and wind
15% of total global energy will be renewable by 2040
28% of total global energy will be renewable by 2050
96% of mammals are livestock and human by weight ( Ecowatch 2018 )
96% of tigers gone in 100 years ( IFL Science 2019 )
90% of elephants gone in 100 years ( Hurriet 2019 )
90% of lions gone in 100 years ( African Impact 2019 )
90% of Leatherback sea turtles gone since 1980 ( Earth Watch undated )
90% of Monarch Butterflies gone in 20 years ( Inhabitat 2014 )
80% of Antarctic Krill gone in 30 years ( Research Gate 2005 )
77% of Eastern lowland gorillas gone since 1996 ( Treehugger 2020 )
68% of world’s wildlife has been wiped out since 1970 ( Mongabay 2020 )
50% of Marine vertebrates gone since 1970 ( WWF 2015 )
50% of Great Barrier Reef gone since 1985 ( Live Science 2012 )
40% of Giraffes gone since 1990 ( NRDC 2019 )
40% less insects in next 30 years ( PNAS 2019 )
4% of mammals are wildlife ( Vegan News 2020 )
sources available at Loki's Revenge blog
2020 : Greenhouse gases up 45% in 30 years
2020 : Fossil fuels have been 80% of global energy for 25 years
2020 : 4% of global energy is renewable after 30 years trying
2020 : Electricity is 20% of total global energy
2020 : 2% of global energy is solar and wind after 20 years trying
2020 : Oncoming water stress threatens 50% of thermal power capacity
*2025 : 66% of the globe will live in water stressed areas
*
2030 : Runaway hothouse mass extinction starts at 1.5 °C
2020 : Emissions must go down 50% in 10 years to stay under 1.5 °C
2040 : 15% of global energy will be renewable
2050 : 28% of global energy will be renewable
27 Nobel Prize winning economists support James Hansen’s dividends, including: 3,589 U.S. Economists, 4 Former Chairs of the Federal Reserve and ALL 15 Former Chairs of the Council of Economic Advisers