Effects Of Human Interaction On The Natural Environment – 2 Human intervention has both positive and negative effects on the environment. The main reason for the negative effects is that the population is increasing. This places increased demands on natural resources such as food, water, energy and space.

Trade-offs: when a solution has both negative and positive consequences. A consequence is something that naturally follows from an action. Consequences can be both positive and negative.

Effects Of Human Interaction On The Natural Environment

Effects Of Human Interaction On The Natural Environment

4 Finite resources. Finite resources: resources that will eventually run out. Interrelatedness Earth has limited resources to sustain life. Population growth is depleting these resources. Ex. Pollution reduces the amount of oxygen in the air.

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Renewable resources are resources that are replaced faster than we can use them. Example: wood, solar radiation Non-renewable resources: something that is used up faster than it can be replaced Example: oil, coal, natural gas

Human activities can change the balance of an ecosystem. This habitat destruction threatens the stability of the planet’s ecosystems. the damage to ecosystems can be permanent.

Ways Humans Harm Ecosystems 1. Overpopulation: Too many people use limited resources 2. Overconsumption: Industrialized societies use more resources per person from our planet than people from poor nations. 3. Developing technology: we introduce technology without knowing how it will affect the environment

5. Pollution: pollution has had many adverse effects on air, water and land. 6. Atmospheric Change: Greenhouse gases from the burning of fossil fuels and the depletion of our ozone layer.

Human Impact On Environment Stock Photo

10 Invasive Species The importation of foreign organisms has caused problems for native organisms (people already live there). They are known as an invasive species AKA an alien species. This is a species that is not native to an area, it was imported. They are bad because they can compete with native animals causing them to die out. Sometimes they have better tools for that environment.

11 Sometimes they lack predators and their populations grow a lot. Then they eat all the food and native species die out. They tend to disrupt the natural food web that has been there for years.

13 I. Acid Rain Most acid rain in New York State is caused by sulfur dioxide and nitrogen dioxide pollution from the burning of fossil fuels such as coal and oil. They combine with water vapor in the atmosphere and fall back to Earth over New York as acid rain.

Effects Of Human Interaction On The Natural Environment

Streams and lakes become more acidic, killing fish, frogs and other life. Damages forests and plants and destroys buildings

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We can use other sources of energy such as solar panels for electricity and heating. We can heat our house with geothermal wells. Geothermal vents: wells drilled deep into the earth to release natural heat.

18 II. Global warming The burning of fossil fuels and other pollution increases the amount of CO2 in the air. Fossil fuels include petrol, coal and oil. This can potentially increase the global temperature.

An increase in the amount of carbon dioxide and other gases does not allow infrared or solar thermal radiation to escape the planet back into space. This causes our planet to slowly warm up.

Rising sea levels and coastal flooding Changing rainfall patterns leading to droughts and crop failures. Increase in insect diseases in areas D.v. New York State: Warmer winters don’t kill insect-borne diseases like West Nile

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Ozone is O3. you don’t breathe this. Ozone reduces the amount of solar radiation reaching Earth from the sun, also known as UV.

The use of CFCs or chlorofluorocarbons lowers ozone by breaking down O3 CFCs are used in some aerosols (not as much anymore) They are also released from some refrigerators and air conditioning systems. Consequences: skin cancer, cataracts.

1. Recycle waste 2. Conserve available resources 3. Use cleaner resources (eg solar energy over fossil fuels) 4. Protect habitats and endangered species 5. Use biological control instead of pesticides and herbicides

Effects Of Human Interaction On The Natural Environment

7. Plant trees instead of those that are cut. 8. 9. enactment of laws on pollution, land management, hunting and fishing

Human Impact On The Environment ‘passing Safe Limits’

29 Biomagnification Biomagnification: increased concentration of poison that moves up the food chain. It can start at the plant stage. Many small fish eat the plants and get the toxins. Then a largemouth bass eats hundreds of small fish and gets more toxins.

He eats them all and gets even more. He could accumulate so much poison that it causes cancer or some other disorder This happens in the Hudson River. The Middle Hudson has dumped tons of toxins, including PCP, into the river.

Politicians try to correct this by dredging the river or scooping out the sediment. It stirs the toxins back into the water causing more problems.

35 Human activities often have negative consequences for the ecosystem and humans as well. Here are a few and they affect our ecosystem.

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36 For each of the following ecological problems, identify the specific cause, its negative effect on the environment, and how people are trying to fix the problem: 1. acid rain Cause: Negative effect: How we are trying to fix: 2 deforestation

39 7. Nuclear energy Cause: Negative effect: How we are trying to fix: 8. use of chemical fertilizers

To make this website work, we record user data and share it with processors. To use this website, you must agree to our privacy policy, including our cookie policy. The diversity on earth helps human health and quality of life. It provides the food we eat, the clothes we wear and the air we breathe. But what do we do to serve the earth? Human impact renders the environment incapable of sustaining life due to “rapid human-induced environmental change. There is no way to escape the impacts we have, but there are ways to reduce them to protect the beauty of the Earth and the many species that live on it.

Effects Of Human Interaction On The Natural Environment

Let’s take it back to basics and reduce, reuse and recycle. Recycling is the best known of these three solutions, but we should focus on the other two to achieve the greatest positive impact. Learn how to reuse everyday items. DIY culture has promoted the ability to reuse almost anything. Use the internet to find out what you can do. Reduction is effective both economically and environmentally. One way we can reduce this is by being extra careful about overusing water. Don’t keep water running and cut back on lawn sprinkler systems.

Human Impact On Nature Hi Res Stock Photography And Images

We are part of the ecosystem we live in, so we have to support it. The conflict between man and nature has never been productive and leads to a destructive mindset. Changing this mindset can lead you to become more aware and respectful of the trails, your campsite, and nature in general. We are meant to enjoy the beauty of nature, but we should not have the right to abuse it.

Invasive species prove their destructive nature by causing extinctions, out-competing other species and reducing diversity in the ecosystems they invade, but they also cost the US economy about $120 billion a year. Three easy steps we can take to combat invasive species are never releasing pets into the environment, cleaning boats after removing them from the water, and planting native species in your yard.

Whether it’s trash, chemicals, or light, the entire planet suffers from pollution, and luckily, we can alleviate the problem with simple efforts.

Widespread problems like climate change are not easily solved, but simple efforts make a difference. Consider your mode of transport, electricity usage and the benefits of buying locally. Making decisions that take climate change into account is good for the planet and you.

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We need to abandon the sense of hopelessness we may feel about environmental problems. We have to work together to have the power to make changes, or nothing will get better.

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