nature rebels
Maria Suardi
Created on December 19, 2021
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Transcript
A project made by: Liezel Grace Catapang, Jada Kallua, Rachele Larosa, Mariavittoria Suardi
WHEN NATURE REBELS
5. Thanks
4. Different Energy
3. Carbon Footprints
2. Natural Disaster
1. Introduction
Index
INTRODUCTION
The day after tomorrow
The Day After Tomorrow is a 2004 American science fiction disaster film directed, co-produced, and co-written by Roland Emmerich.It depicts catastrophic climatic effects following the disruption of the North Atlantic Ocean circulation. A series of extreme weather events usher in global cooling and lead to a new ice age.
The day after tomorrow
Plot
Mocked for his altruistic concerns about global warming before the U.S. Vice President at a U.N. conference in New Delhi, the renowned palaeoclimatologist, Jack Hall, is convinced that a new ice age is closer than everyone thinks.In the middle of this endless maelstrom of destruction Jack's son, Sam, gets trapped in a New York public library with some friends. Now, as Hall sets out on a dangerous trek from Washington D.C. to locate and save his son, the global temperature plummets, burying everything under an impenetrable blanket of ice.
Some scenes of the film
The Earth seen from NASA
American helicopter arrive in New York and rescue refugees
U.N. conference in New Delhi
A tidal wave sweeps away New York
The kiss between Sam and Laura
In Antartica an ice sheet breakes off.
natural disaster
Temperatures are rising world-wide due to greenhouse gases trapping more heat in the atmosphere.
Overall, glaciers are melting at a faster rate.
Sea ice in the Arctic Ocean around the North Pole is melting faster with the warmer temperatures.
Permafrost is melting, releasing methane, a powerful greenhouse gas, into the atmosphere.
Sea levels are rising, threatening coastal communities and estuarine ecosystems.
As temperatures rise there is less snowpack in mountain ranges and polar areas and the snow melts faster.
Tropical storms becoming more severe due to warmer ocean water temperatures.
Natural disaster
Since the end of the 19th century and the beginning of the 20th century (and still today) our planet is suffering the increase of the average global temperature and associated atmospheric phenomena.What are some of the signs of climate change and what could happen if we continue not to respect the enviroment?
Droughts are becoming longer and more extreme around the world.
Climate change affects global temperature and precipitation patterns. Scientists have predicted that long-term effects of climate change will include a decrease in sea ice and an increase in permafrost thawing, an increase in heat waves and heavy precipitation, and decreased water resources in semi-arid regions.
FLOODS
DROUGHTS
STORMS
WILDFIRE
More heat in the atmosphere and warmer ocean surface temperatures can lead toincreased wind speeds in tropical storms.
A part of the land suffers from lack of rain, causing severe damage to the soil, crops, animals, and even people, sometimes causing death.
The building up of large quantities of water, generally caused by heavy rains which the soil is unable to absorb.
Different natural disaster
Destructive fires in forests and other areas covered by vegetation. These fires can get out of control and easily spread over vast areas of land.
Carbon Footprints
Carbon footprints
Uncontrolled deforestation is also dangerous for our ecosystem as trees absorb carbon dioxide and release oxygen into the atmosphere.
Another effect of the excess presence of carbon dioxide is the climatic overheating.The excessive concentration of anhydride in the air forms a sort of hood that prevents the expulsion of the heat absorbed by the earth during the day. Excess CO₂ emissions are a consequence of industrial activity typical of developed countries: industries use the combustion of fossil fuels to produce energy.
The excess production of carbon dioxide causes environmental damage as it endangers the existence of ozone, a gaseous layer present in the atmosphere that protects the earth from ultraviolet rays from the sun.
Doubts and hopes
With the Paris Agreement, 195 countries have pledged to reduce greenhouse gas emissions to keep the global temperature rise below 2 ° C compared to the pre-industrial period. Monitoring the amount of carbon dioxide, the element that most contributes to climate warming, emitted into the earth's atmosphere by human activities is essential to understand if we have taken the right path to slow down climate change. But sources, sinks and gas flows still put scientists and governments in trouble.
Different energy
Renewable energy sources are sustainable, because they derive from practically inexhaustible forces of nature, and they are also very abundant and well distributed across the globe.The light that comes from the Sun alone deposits more than a thousand times more energy on the Earth's surface every day than that which all of humanity uses in the day: it is therefore enough to be able to capture less than a thousandth of solar energy to satisfy all our energy needs
Renewable sources
Making an energy transition today means abandoning the use of fossil fuels in favor of renewable energy sources, which do not produce greenhouse gas emissions and are sustainable, because they do not run out when we use them.The main renewable sources are direct solar energy (sunlight) and indirect solar energy (wind and hydroelectric energy)
Today there is no longer any doubt: a change in the earth's climate characterized by global warming is underway. If we want to try to put a stop to climate change, the energy sector is therefore the one on which we must intervene as a priority.We therefore need a radical change in the way we generate energy: it is the revolution that goes by the name of energy transition
Nuclear energy
Geothermal energy
Biomass energy
Wind power
Solar energy
Kinetic energy
Hydro power
Types of energy
CONS
PROS
Cause Environmental Damage High Upfront Capital COst Might cause Border Conflict Draught may affect Hydropower Power Plants. Risk of Flood in Low Altitude Area
Renewable energy source Clean ENergy Source Inexpensive SOurce of Energy Rural Communities are Highly Influenced by Hydropower It provides Recreation Opportunities Flexible Reliable Source of Energy It is Efficient
hydro power
Wind generators are only feasible in certain areas Each wind turbine kills about one bird for year Wind generators make a humming sound that can be heard nearby Wind generators are tall and can block the views of nearby scenery.
CONS
PROS
WIND POWER
Reduces consumption of fossil fuels for electricity production Reduces production of greenhouse gases Reduces production of pollution Can provide extra income for farmers Wind is a renewable energy resource.
Needs lots of space High initial cost No solar power at night & cloudy days Less solar energy in winter Dc Equipment are expensive Expensive battery
CONS
PROS
solar energy
Renewable & pollution free Reduce Electricity Bill Less to No Maintenance for Years More SOlar Energy in Summer Diverse Application Can be stored in battery
Kinetic energy is hard to control Heavily reliant on weather- environment vital to energy supply Hard to have sufficient energy to overcome friction In peak production, it is expensive to store energy Inefficient in comparison to fossil fuel energy
CONS
PROS
Using renewable resources for power Reduction on carbon emission, as no chemical reaction takes place Kinetic energy is one of the world’s most common resources Using natural resources Can generate energy in remote areas
KINETIC ENERGY
Expensive to start and maintain power plants Safety concerns Waste that remains toxic for many years (es. Chernobyl) Non-renewable
CONS
PROS
Doesn’t emit CO2 pollutants Continuously generates electricity
NUCLEAR ENERGY
Source i close to volcanic activity Some plants use lots of water- creating water pollution Supply could change Cannot be transported High start up cost
CONS
PROS
Low cost Inexhaustible No environmental impact Pumps can store heat for later use
GEOTHERMAL ENERGY
CONS
PROS
Investment levels Larger property/land side & location Efficiency Air pollution Seasonality
Cleaner/renewable energy, 0% harmful emissions Funds and finance A fuel with a future- readily available Reduce Dependency on fossil fuels Can be used to create added value Can be used to create different products
BIOMASS ENERGY
Thanks!