Dear geoengineers, I have been a quiet reader of this listserv for years. I am not an expert. And I am deeply concerned about the developments going on in our climate and natural systems. But seriously? Are we now thinking about lightening up forests? What effects would that have on animals in those forests? Are there studies about that? Are we willing to do anything to save humanity - which seems just to not want to be saved? Shouldn´t any geoengineering suggestions always be coupled with the demand to seriously step on the brakes, stop our believe in eternal growth and call for an immidiate moratorium in our collective overconsumption of about everything? Instead, we are happy that transcontinental flights are finally resuming, that new streets are being built to reduce traffic jams, that great big representative buildings are being built ... Most people are still in a completely wrong, self-destroying mindset. If we cannot change that, then I doubt that geoengineering can safe us, because we will destroy other life-supporting systems as well - such as intact ecosystems. Thanks for your insights, Best, Maiken http://www.wissenleben.de
> On 10/11/2021 07:54 Geoeng Info <[email protected]> wrote: > > > https://esd.copernicus.org/preprints/esd-2021-85/ > > > > Exploration of a novel geoengineering solution: lighting up tropical forests > at night > > > > Xueyuan Gao, Shunlin Liang, Dongdong Wang, Yan Li, Bin He, Aolin Jia > > Abstract. > > Plants primarily conduct photosynthesis in the daytime, offering an > opportunity to increase photosynthesis and carbon sink by providing light at > night. We used a fully coupled Earth System Model to quantify the carbon > sequestration and climate effects of a novel carbon removal proposal: > lighting up tropical forests at night via lamp networks above the forest > canopy. Simulation results show that additional light increased tropical > forest carbon sink by 10.4 ± 0.05 petagrams of carbon per year during a > 16-year lighting experiment, resulting in a decrease in atmospheric CO2 and > suppression of global warming. In addition, local temperature and > precipitation increased. The energy requirement for capturing one ton of > carbon is lower than that of Direct Air Carbon Capture. When the lighting > experiment was terminated, tropical forests started to release carbon slowly. > This study suggests that lighting up tropical forests at night could be an > emergency solution to climate change, and carbon removal actions focused on > enhancing ecosystem productivity by altering environmental factors in the > short term could induce post-action CO2 outgassing. > > > -- > You received this message because you are subscribed to the Google Groups > "geoengineering" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] > mailto:[email protected] . > To view this discussion on the web visit > https://groups.google.com/d/msgid/geoengineering/CAKSzgpY%2BwsJV%2BoDydH9fcXOdgPX5UEheUqkpZ5io2MfLozoQDw%40mail.gmail.com > > https://groups.google.com/d/msgid/geoengineering/CAKSzgpY%2BwsJV%2BoDydH9fcXOdgPX5UEheUqkpZ5io2MfLozoQDw%40mail.gmail.com?utm_medium=email&utm_source=footer > . > -- You received this message because you are subscribed to the Google Groups "geoengineering" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/geoengineering/1144633987.2805623.1636534580003%40webmail.strato.de.
