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Nice animation, but the amount of _"sunlight falling on Earth's surface"_ is not _"driven by its orbit and orientation towards the sun."_ You're referring to Milankovitch cycles, and, over timespans of tens to hundreds of thousands of years, Milankovitch cycles have been the "principal control knob" for climate. But their agency is indirect, via the intermediate mechanism of ice sheet advance & retreat. Milankovitch cycles do not change the amount of energy which the Earth receives from the Sun, and they don't directly  change Earth's average temperature. Rather, they change *_seasonality,_* which is the distribution of the energy which the Earth receives from the Sun, over seasons, at various latitudes. When seasonality increases, warmer summers increase ice loss at the margins of the great Laurentide, Cordilleran & Fennoscandian ice sheets, and colder winters decrease snowfall on those ice sheets. When seasonality increases by enough to cause ice sheets to retreat each year, the reduced ice coverage causes an increase in globally averaged temperatures (a/k/a "global warming," a general warming trend). Conversely, when seasonality decreases by enough to cause ice sheets to advance, that causes a general cooling trend. It's the covering and uncovering of vast expanses of the Earth with ice which changes its average temperature. Milankovitch cycle effects are often approximated by calculating solar insolation at 65°N latitude. But that isn't really correct. What matters is whether the great northern ice sheets are advancing or retreating, and what determines that is seasonality at the edges of the ice sheets. At the start of a glaciation, as the ice sheets begin to advance, it's more like 70°N. But at glacial maxima, as the ice sheets start to retreat, it's closer to 50°N. There are other factors at work, too. For example, the covering of land by advancing ice sheets sequester organic carbon, and cooling oceans sequester CO2, so atmospheric CO2 levels fall during glaciations. That's a positive feedback, which has a cooling effect as glaciers advance, and a warming effect as they retreat. That positive feedback contributes to the observed hysteresis between glaciated and deglaciated states. Additionally, other factors cause large shorter duration warming and cooling events, like Dansgaard-Oeschger cycles. The current best theory is that they were probably caused mostly by ocean circulation changes, caused by ice sheets altering freshwater discharge paths.

worst sound on Earth !!!!! 🤐🤔🤫

Sea levels can rise as high as the fear levels these fucking lying bastards instill into all you morons.

Watching from Dhaka,Bangladesh.

#hasanmshmmud

Excellent intro to the topic.

So Cold grips Papua ❤

Was below-ground carbon, in particular microbial necromass, taken into consideration?

Our solution improves the diversion of food waste from homes, but eliminating the smell and mess associated with composting in urban areas czcams.com/video/Z-KMlFwI0HQ/video.htmlsi=YVzai4qfkY820ZQU

She should partner with the human waist facilities that use human waist from N.Y. as fertiliser trained by tankers to the mid west farmers. 👼...

Good decision

I am the only one

Can we sequestration done under sugar cane crop ?

Great work.

America is the only country that went from barbarism to decadence without civilisation in between - Oscar Wilde

Binod

Very sad that these glaciers which existed for tens of thousands of years is disappearing fast. As a civilization we have failed earth.

Excellent research that we can all learn from in order to adapt to our changing climate

Video starts at 5:20

Nice how small changes lead to big mistakes 🤔

Hello from another Lechich! Jon Lechich

The perfect storm for collapse: 1. Policy & Governance, 2. War & Conflict, 3. Friends & Trade, 4. Abuse/Mismanagement of Resource, 5. Ecological/Climate Change.

👍👍👍👍

it is good for the environment nice work👍

I read Guns, germs and steel and Collapse years ago. Just discovered this presentation and will need to read his books again, Great professor.

1:04:06

Have shown my grade 4 daughter ,,,

2:50 The blue color of the Quartz in Llanite is believed to be due to Ilmenite, not Rutile. Ilmenite's formula is FeTiO^3, so it is not an Oxide. Titanium Oxide can actually form 3 different Species: Anatase, Brookite, and Rutile. Why he failed to mentioned that, I don't know.

Very interesting video. But, is it financially/economically sustainable this project? I think this video should explain that.

czcams.com/video/RpBwu1BB8Bo/video.html

Measurement of Stunting Toddlers

What are native Inuit doing with the problem and how are they adapting to the melting.

A product used from indirect capture of an emittant is gypsum which is taken from coal scrubbers to make sheetrock, a valuable building material. I would point out to the audience that when sites like these promote that combusting something else puts out something good instead, let me point out, when you combust a hydrocarbon, you still get co2--whether it comes from gasoline, or burning biochar, or burning natural gas, or burning animal dung. You still get CO2.

This is really incorrect earth science to say that a gas causes the climate to change. There are several avenues that comprise weather but co2 does not cause air pressure systems to generate, fronts, the direction & speed of the jetstream, wind currents, & ocean currents. CO2 is a greenhouse gas & it pales in contrast to water vapor-that is the thermodynamics & I should know I ve had that course. They want to say co2 because you can't very well promote all the water on earth to evaporate.

I'm here trying to see whether the needle is packed or sealed in a box because I went to a clinic and they pierced me with one of the needles that was on the table and they looked faded. I only realised after it was done. The nurse was a rookie. I'm so scared.

We STILL don’t have new policy time for Occupy 2.0 but on grand scale w a twist

The Ordovician-Silurian periods are by far my favorite.

I could only go so far listing to utter bs.....shoosh!!!

When exactly was this video shot and was it shot at the forefront of the Nansen Ice Shelf?

so bad

Sir could i get some explanation about the allometric equation of AGB plz how i do perform in MS excel

Oo kid sorry 😞

geography ftw! - a geographer

Your a lier and you no it so zip it's f man made you piece of s**ht

........... m,.. ...

Orthoceras? Hmmm A Very Interesting Monster indeed

Such a brilliant guy. A note. When the populations in Africa, South America, Asia begin to die from hunger & war induced by all these problems they will flee here. So their populations will impact on the rich societies. As is beginning to happen now.

Sustainable Collective Disaster Re Capitalization

cool video, but I didn't see Neil Diamond a single time! It's getting ridiculous at this point and I keep watching these hour long videos trying to find him, but he's never there. Please stop putting him in your title if he's not there.

lols, you need to go back mate, and check again. You are flying in the face of contradictory evidence.