Hacker Cinema
David Attenborough: A Life on Our Planet
2020 · Film · documentary · 83 min
Directed by Alastair Fothergill, Keith Scholey, Jonathan Hughes
The story of life on our planet by the man who has seen more of the natural world than any other. In more than 90 years, Attenborough has visited every continent on the globe, exploring the wild places of our planet and documenting the living world in all its variety and wonder. Addressing the biggest challenges facing life on our planet, the film offers a powerful message of hope for future generations.
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5 comments on Hacker News
(2018)
Also, worth watching Attenborough's "A Life On Our Planet" released on Netflix a few years ago. It gives an overview of the threats earth faces in the next couple decades, and a testimony of the changes he's already witnessed.
Myth #3 is about comparing CO2-levels from hundreds of million years ago. In about 4:03 it is showing solar output superimposed on top of the graph of CO2+temp etc. The meaning is that with higher solar output today, greenhouse gases will have more effect, than they did hundred million years ago.
The updated graph is probably just to show there's more nuance to the graph than the old version. It doesn't make sense to use very old graphs outdated by the author.
CO2 emissions are accellerating over time:
https://gml.noaa.gov/ccgg/trends/gl_gr.html
The runaway effects will be from thresholds being broken, like acification of the ocean, burning of the tundra, deglacification and other events that humanity cannot influence or stop directly.
https://www.quora.com/When-will-the-world-s-oceans-lose-their-ability-to-absorb-carbon-dioxide-and-what-will-be-the-consequences?share=1
https://www.noaa.gov/education/resource-collections/ocean-coasts/ocean-acidification
https://knowledge.insead.edu/blog/insead-blog/the-ocean-cannot-absorb-much-more-co2-4990
While we do have negative feedback loops, lately, temperature looks to be accellerating as well:
https://climate.nasa.gov/vital-signs/global-temperature/
https://www.climate.gov/news-features/understanding-climate/climate-change-global-temperature
Netflix has this documentary that explains further, ie. why biodiversity is needed.
David Attenborough: A Life On Our Planet - "vision for the future" on 'how to fix' climate change :
https://www.youtube.com/watch?v=KglanVLBVrc
I highly recommend David Attenborough's 2020 Netflix documentary "A Life on Our Planet."
https://en.wikipedia.org/wiki/David_Attenborough:_A_Life_on_Our_Planet
https://www.netflix.com/title/80216393
It is his "witness statement" on how he has personally observed enormous environmental changes over his ~70 year career documenting wildlife throughout the world.
David Attenborough thinks we can. We simply can't afford not to in the newest Netflix documentary:
David Attenborough: A Life on Our Planet (2020)
https://www.imdb.com/title/tt11989890/
But it doesn't mean it won't happen without a wake-up call. The answer is simple, just stop destroying what has caused unprecedented equilibrium in temperatures during the latest rise of civilization in the past 10k years.
It's longer than 5 minutes, but David Attenborough's new film: A Life On Our Planet [1] presents the issues were facing from unsustainable growth and offers solutions in maintaining robust biodiversity on our planet.
[1] https://www.attenboroughfilm.com/