As the International Energy Agency warned, â $ œno more than one - third of proven reserves of fossil fuels can be consumed prior to 2050â $ â $» unless
carbon capture and storage
technology is widely deployed â $» otherwise weâ $ ™ ll bust through the limit of a 2 degree Celsius rise in average temperature that climate scientists believe will unleash truly disruptive ice melt,
sea level rise and weather extremes.