Climate change

3 posts

Climate change – past trends

View from International Space Station Photograph: ISS/Nasa (downloaded 24 Aug. 2018) Excess greenhouse gas emissions – a pathway out of the Holocene “The Holocene14 has seen the growth and impacts of the human species worldwide, including all of its written history, development of major civilizations, and overall significant transition […]

Decarbonisation scenarios

Two very different visions of decarbonisation: (a) Fossil-fueled development, high energy demand, heavy reliance on CCS and BECCS9 (b) Leave fossil-fuels in the ground, low energy demand (LED), no CCS or BECCS ‘(a)’ and ‘(b)’ are at opposite extremes in a sense. ‘b’ is considered radical, and mainstream scenarios are, […]

Climate change, ‘carbon budgets’, & ‘negative emissions’.

To manage global carbon budgets, we’re becoming increasingly reliant on the concept of future ‘negative emissions’. Future generations will be forced to attempt to draw down the excessive greenhouse gas emissions that we continue to generate today (while they struggle to cope with disruptive climate change). Some of the proposed […]