Global Warming

1/31/2021

Global Warming

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We will see why the Earth is warming up

Greenhouse Effect is the normal process by which heat is radiated from the Earth's surface and trapped by gases in the atmosphere, helping to maintain the Earth at a temperature that can support life

Greenhouse gas is any of the gases in the atmosphere that absorb heat radiated from the Earth's surface and contribute to the greenhouse effect, examples may be carbon dioxide and methane

Global Warming is an increase in the Earth's average temperature

https://climatekids.nasa.gov/greenhouse-effect/

https://climate.nasa.gov/causes/

The temperature of the planet has gone up in recent times

As concentrations of Carbon Dioxide go up, the temperature goes up:

https://www.acs.org/content/acs/en/climatescience/climatesciencenarratives/climate-has-changed-before.html

And so have CONCENTRATIONS of Carbon DIoxide

https://www.climate.gov/news-features/understanding-climate/climate-change-atmospheric-carbon-dioxide

Increased Gases are connected to rising temperatures

Warmer temperatures are CONNECTED to melting ice caps

https://earthobservatory.nasa.gov/world-of-change/sea-ice-arctic

https://climate.nasa.gov/climate_resources/4/graphic-dramatic-glacier-melt/

As Ice melts, Sea Levels Rise and SHore land is lost

https://nca2014.globalchange.gov/report/regions/coasts/graphics/projected-land-loss-sea-level-rise-coastal-louisiana

Vostok Ice Core Samples SHow the levels of CO2 over time

https://ib.bioninja.com.au/standard-level/topic-4-ecology/44-climate-change/climate-changes.html

Samples are readings of gas bubbles in ice cores

https://climate.nasa.gov/news/2616/core-questions-an-introduction-to-ice-cores/

https://icecores.org/about-ice-cores

Connection between Carbon Dioxide and Ice Ages

http://www.antarcticglaciers.org/glaciers-and-climate/ice-cores/ice-core-basics/

There are areas where so much gas is trapped in the ice, it is flammable

Methane gas is naturally trapped in the ice when plants die and decompose, many microbes eat carbon and make methane gas while some bacteria eat methane, there are also sources of methane gas that are connected to human activity such as cattle raising. Permafrost thaws because of global warming, but without global warming it would stay frozen and keep the gas trapped.

Solutions

Reducing the number of cattle, eating less meat and dairy
Feeding cattle red seaweed, it has been shown to reduce the amount of gas that is produced by the cows
Biodigesters

asparagopsis taxiformis: a species of red algae that reduces methane in cow waste

https://www.greenergrazing.org/

Mangrove trees along the coast reduce erosion

Mangroves are naturally supposed to line the coast in most parts of the world but people have torn them down to build resorts, and for shrimp farming and wood. Letting them exist along the shore would reduce erosion and would also protect coral reef ecosystems.

https://www.britannica.com/story/amazing-mangroves

Mangroves are a carbon sink, they absorb more carbon dioxide than most plants and are part of the solution to our climate crisis. Mangroves release leaves that provide nutrients for microbes and eventually larger sea creatures. They also store a bunch of the carbon dioxide that they absorb in their large roots, this is called carbon sequestration.