The Guardian piece is typical sensationalism and ignores the science. If you look at the IPCC Special Report on Global Warming of 1.5°C (SR15) there are some interesting changes to the global CO2 emisions budgets;

"It seems fairly extraordinary to me that the AR5 post-2010 carbon budget for 1.5°C, which was only published four years ago, has in effect been now been increased by ~700 GtCO₂ – equal to 21st century emissions to date"
https://judithcurry.com/2018/10/18/remarkable-changes-to-carbon-emission-budgets-in-the-ipcc-special-report-on-global-warming-of-1-5c/

Yes there is a problem, but not the 'emergency' that Ms Thunberg et al would have us believe.


The next picture is interesting but has no reference. I traced it back to this proposal published in the Asia Times:
https://www.asiatimes.com/2019/07/article/solar-power-from-australia-to-light-up-singapore/

It's an interesting project but very light on details. A lot of equipment needs to be installed and maintained in a very harsh environment and it requires 3800 km of undersea power cable apparently capable of transmitting 10GW (whether 10GW is the total installed capacity or the usable capacity is not clear). Battery storage is mentioned, I assume to deal with the part of day when the sun dosent shine, but again no details. Realisable or just a dream?


The last link covers some of the problems with converting desert solar energy to a useful energy form including those above. In my view the most feasible would be to use the energy to generate hydrogen although this would require water which tends to be in short supply in deserts. Even better would be to use this hydrogen to close the cycle and reform CO2 into methane or higher hydrocarbons that are easier to transport.

The Guardian piece is typical sensationalism and ignores the science. If you look at the IPCC Special Report on Global Warming of 1.5°C (SR15) there are some interesting changes to the global CO2 emisions budgets;

"It seems fairly extraordinary to me that the AR5 post-2010 carbon budget for 1.5°C, which was only published four years ago, has in effect been now been increased by ~700 GtCO₂ – equal to 21st century emissions to date"
https://judithcurry.com/2018/10/18/remarkable-changes-to-carbon-emission-budgets-in-the-ipcc-special-report-on-global-warming-of-1-5c/

Yes there is a problem, but not the 'emergency' that Ms Thunberg et al would have us believe.


The next picture is interesting but has no reference. I traced it back to this proposal published in the Asia Times:
https://www.asiatimes.com/2019/07/article/solar-power-from-australia-to-light-up-singapore/

It's an interesting project but very light on details. A lot of equipment needs to be installed and maintained in a very harsh environment and it requires 3800 km of undersea power cable apparently capable of transmitting 10GW (whether 10GW is the total installed capacity or the usable capacity is not clear). Battery storage is mentioned, I assume to deal with the part of day when the sun dosent shine, but again no details. Realisable or just a dream?


The last link covers some of the problems with converting desert solar energy to a useful energy form including those above. In my view the most feasible would be to use the energy to generate hydrogen although this would require water which tends to be in short supply in deserts. Even better would be to use this hydrogen to close the cycle and reform CO2 into methane or higher hydrocarbons that are easier to transport.