The Race is On - Climate Change Documentary 2020 ᴴᴰ

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Climate change 2020, climate change short film, climate, climate zones, climate changes, climate crisis, climate change national geographic youtube, climate change speech, climate change news, climate change the facts.

CONTENT: Temperature Will Rise: Climate models predict that Earth’s global average temperate will rise in the future. For the next two decades warming of about 0.2° Celsius is projected. If we continue to emit as many, or more, greenhouse gases, this will cause more warming during the 21st Century than we saw in the 20th Century. During the 21st Century, various computer models predict that Earth’s average temperature will rise between 1.8° and 4.0° Celsius (3.2° and 7.2° F). The amount of predicted warming differs depending on the model emissions scenario (how much greenhouse gas emissions it assumes for the future). The amount of predicted warming also differs between different climate models. Climate change is predicted to impact regions differently. For example, temperature increases are expected to be greater on land than over oceans and greater at high latitudes than in the tropics and mid-latitudes.

Changing Precipitation: Warmer average global temperature will cause a higher rate of evaporation, causing the water cycle to “speed up”. More water vapor in the atmosphere will lead to more precipitation. According to models, global average precipitation will most likely increase by about 3-5% with a minimum increase of at least 1% and a maximum increase of about 8%. Yet, changes in precipitation will not be evenly distributed. Some locations will get more snow, others will see less rain. Some places will have wetter winters and drier summers.


Melting Snow and Ice: As the climate warms, snow and ice melt. The amount of summer melting of glaciers, ice sheets, and other snow and ice on land are predicted to be greater than the amount of winter precipitation. The amount of sea ice (frozen seawater) floating in the ocean in the Arctic and Antarctic is expected to decrease over the 21st Century too, although there is some uncertainty as to the amount of melt.


Rising Sea Level: A warmer climate causes sea level to rise via two mechanisms: (1) melting glaciers and ice sheets (ice on land) add water to the oceans, raising sea level, and (2) ocean water expands as it warms, increasing its volume and thus also raising sea level. During the 20th Century, sea level rose about 10 to 20 cm (4 to 8 inches). Thermal expansion and melting ice each contributed about half of the rise, though there is some uncertainty in the exact magnitude of the contribution from each source. By the year 2100, models predict sea level will rise between about 20 and 50 cm (8 to 20 inches) above late 20th Century levels. Thermal expansion of sea water is predicted to account for about 75% of future sea level rise according to most models.


Acidic Ocean Water: Earth's oceans are predicted to act as a buffer against climate change by taking up some of the excess heat and carbon dioxide from the atmosphere. This is good news in the short run, but more problematic in the long run. Carbon dioxide combined with seawater forms weak carbonic acid. Scientists believe this process has reduced the pH of the oceans by about 0.1 pH since pre-industrial times. Further acidification of 0.14 to 0.35 pH is expected by the year 2100. More acidic ocean water may cause problems for marine organisms.


Impacts on Ocean Currents: Large-scale ocean currents called thermohaline circulation, driven by differences in salinity and temperature, may also be disrupted as climate warms. Changes in precipitation patterns and the influx of fresh water into the oceans from melting ice can alter salinity. Changing salinity, along with rising water temperature, may disrupt the currents. In an extreme case, thermohaline circulation could be disrupted or even shut down in some parts of the ocean, which could have large effects on climate.

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#climate #climatechange #future

[beth_drew]

anyone else watching this for geography, quarantine, homeschool?

[superevleen]

whose reading da comments instead of watching the video lol

[steveyoung]

Just remember if the planet gets to hot, we won't be able, to grow hops and barley for beer, grapes for wine, and many other drugs that feed all the addicts of the world.

[hayleyyjayne]

this documentary was included into one of my science lessons welp

[alfredgomez]

Who's here really care about mother nature?? Take action in response to climate change.

[evadd]

For all the students on here laughing because you were sent here, it's because your teacher want you to have a future. Not a good one but just a future. And for those who don't understand the fairly scary days coming when you are the adults, ask yourself why did they drop it from 2 at Kyoto to 1.5 in Paris? And why are all the major hedge funds, insurance companies and banks insisting on climate policies before investment? The moneyed people are scrambling. Think about this before you contemplate your future.

[alex_birch]

Answers 1-5 : 4:55 - 7:02
Answer 6: 7:25 - 8:10
Answer 7: 9:10 - 9:54
Answers 8-9: 15:36 - 18:10
Answer 10: 18:28 - 21:40
Answer 11: 23:00 - 23:38
Answer 12: 27:23 - 28:45
Answer 13: 28:52 - 30:11
Answers 14-16: 32:28 - 34:11
Answers 17 and 18 can be answered without video.

[DaniSlot]

I came to learn about climate change, not a story of some dude's life..

[jax_wildguess]

This video needs subtitles in all languages, for everybody to understand and contribute! I'm offering to do so in my language, so how can I help?

[sareenaafsal]

who come here while doing your winter homeworks on ClImAtE ChAnGe!😢

[mitchio]

Glosses over so many issues. Doesn't actually say what needs to be done.

[pk_]

I am inspired and I'm looking forward to help organisation to help the world be a better state, very informative Thank you :)

[_rachaella_]

POV: You're reading the comments to see if anyone else came to this video from school

[killerxxriver]

Who is just playing minecraft and listning to this at the same time LOL

[PapaPiggie]

Great video I just don't think we have 20 years to fix it

[elyannafortaleza]

tamang pagawa lang teacher namen ng reflection paper 😭

[m.vaneijk]

Good documentary. We have to change now!

[Morristown]

Earth's climate has a rough history with climate change. The problem has been that it has been too cold for us. (Examples - Major event of Younger Dryas that froze the Earth for 1000 years 12, 500 years ago. We have a medium-major event that froze the planet and blocked the sun for a decade in 563 A.D. known as the Late Antique Little Ice Age and a minor event causing decades of colder temperatures in the 1800s leading to crop failure and famine as well) Although we may be contributing to climate change; it seems that what we do is a drop in the bucket compared to natural event caused climate changes such as increase in volcanic activity, major volcanoes single eruption, and intersteller object impact events. If we want to worry about climate change we should look to the sky and look into the ground.

[mistaguido]

This is what’s happening at the main outer side of what the media shows

[lifechoices]

One of the reasons behind denial of climate change is an overwhelming sense of helplessness in the face of the facts. On a personal front, I get empowerment against helplessness from life-philosophy of Nichiren Buddhism, which brought me to this issue.