The Effect Of Humans On The Environment – 2 Human interaction has both positive and negative effects on the environment. The main reason for its negative impact is population growth. This increases the demand for natural resources such as food, water, energy and space.

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

The Effect Of Humans On The Environment

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

How Do Humans Affect The Nitrogen Cycle?

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

Human activity can change the balance of an ecosystem. This environmental degradation threatens the sustainability of the planet’s ecosystems. the damage to the ecosystem can be permanent.

Ways humans negatively affect ecosystems 1. Population growth: too many people using limited resources 2. Overconsumption: Industrialized societies use more of our planet’s resources per person than people in poor countries. 3. Advanced technologies: we introduce technology without considering how it affects the environment

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

What Are The Impacts Of Solid Waste On Humans

10 Invasive Species The introduction of foreign organisms has created problems for native organisms (someone already lives there). They are known as an invasive species AKA exotic species. It is a species that is not native to any region, it is imported. They are bad because they can compete with native animals and cause them to die. Sometimes they have better tools for that environment.

11 Sometimes they lack prey and their numbers increase to a high level. Then they eat all the food and the native species die out. They tend to disrupt the natural food web that has been there for many years.

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

Rivers and lakes become acidic, killing fish, frogs and other life. It damages forests and plants and destroys buildings

Water And Climate Change

We can use alternative energy sources such as solar panels for electricity and hot water. We can heat our house with geothermal wells. Geothermal Well: A well is drilled deep into the earth to release naturally generated heat.

18 II. Global Warming Burning fossil fuels and other pollution increases the amount of CO2 in the air Fossil fuels include gasoline, coal, and oil. This can increase the temperature of the earth.

The increase in the level of carbon dioxide and other gases does not allow infrared or solar heat radiation to return from the planet to outer space. This causes our planet to gradually warm.

Sea level rise and coastal flooding Changing rainfall patterns leading to drought and crop failure. The increase in insect diseases in areas Eg. New York State: Warmer winters won’t kill an insect-borne disease like West Nile

Living Environment: Humans & The Environment

Ozone is O3. you won’t breathe it. Ozone reduces the amount of solar radiation that reaches the earth from the sun, also known as ultraviolet.

The use of CFCs or chlorofluorocarbons depletes ozone by breaking down O3 CFCs are used in some aerosol cans (not many) They are also released from some refrigerators and air conditioning systems. Consequences: skin cancer, cataracts.

1. Use of waste 2. Conserve existing resources 3. Use cleaner resources (eg: solar over fossil fuels) 4. Protect the environment and endangered species 5. Use biological control instead of pesticides and herbicides

7. Identifying trees instead of felled trees. 8. Plant crops or cover crops to reduce soil loss. 9. adoption of laws on pollution control, land management, hunting and fishing

Humans Just 0.01% Of All Life But Have Destroyed 83% Of Wild Mammals

29 Biomagnification Biomagnification: increasing the concentration of a toxin as it moves up the food chain. It can start at the plant level. Many small fish eat the plants and absorb the toxins. Then one largemouth bass eats hundreds of smaller fish and takes in more toxins.

He eats all of them and takes even more. It can accumulate so much toxin that it causes cancer or some other disease. This happens in the Hudson River. The Central Hudson dumped tons of toxins, including PCP, into the river.

Politicians try to fix this by dredging the river or dredging the bottom sediments. It puts toxins back into the water and causes more problems.

35 Human activities often have negative consequences for ecosystems and people as well. Here are some and how they affect our ecosystem.

The Effects Of Human Intervention On The Environment

36 For each of the following environmental problems, identify specific causes, negative effects on the environment, and ways people are trying to solve the problem: 1. acid rain Cause: Negative Effects: How we try to fix it: 2 destroy the forest

39 7. Nuclear Power Cause: Side Effects: How We Try to Fix: 8. Use of Chemical Fertilizers

To operate this website, we collect user data and share it with processors. To use this website, you must agree to our Privacy Policy, including our Cookie Policy. Native Americans realized that what affects even the lowest creature on the totem pole of life affects everyone, so they chose instead to live in harmony with nature. against it. They never stayed in an area to exhaust the land and moved with the seasons to avoid using up all the resources in one place. But modern man does not live like this and has found other ways to influence and protect ecosystems in danger of extinction.

Ecosystems are biological communities and exist throughout the world. They serve as interconnected microcosms that contain various forms of plant and animal life. Nature recycles everything: dead plant and animal matter returns to the soil to grow trees and more plants once again. With an eye for nature, many people realize that recycling makes a positive contribution to the world’s ecosystems by reusing or repurposing old products into new products without taking resources away from nature.

Global Water Resources Affected By Human Interventions And Climate Change

Wildlife sanctuaries and national parks protect a large number of ecosystems around the world. Within these zones, animals and plants thrive under laws that protect them from harm. People, with the help of governments, have established these areas to protect specific ecosystems that contain endangered plant and animal life.

In the past few decades, many state and local communities have enacted laws that require developers who build homes and commercial buildings to set aside green and open lands to protect them from development. This includes bridges over highways and highways that allow deer and other creatures to migrate across the developed area without the threat of being killed by a car. These protected areas are a positive contribution to the ecosystem.

While Richard Nixon was president, he created the Environmental Protection Agency in 1970 because of threats to the environment. Environmental management laws and programs, when implemented, have a positive impact on the world’s ecosystems. These laws are designed to prevent companies from destroying ecosystems by preventing industrial pollutant discharges into the ground, into rivers or streams, or other waterways. Environmental laws in some areas of the country also require logging companies to replant cleared forest areas with new seedlings. Logging companies operating in Oregon and others are required to replant the cleared area with new tree growth to replenish the ecosystem over a period of time, generally up to three years after the land is cleared.

Lori Brenner has covered many topics in her writing as a journalist and editor for several years, but science is one of her first loves. Her work as manager of the California State Mining and Minerals Museum in California’s gold country served to deepen her interest in science, which she now pursues by writing for online science websites. Brenner is also a published fiction author. He graduated from Coleman College in San Diego in 1972. Although we often think of human-induced climate change as something that will happen in the future, it is an ongoing process. Ecosystems and communities in the United States and around the world are being affected today.

Mitigation And Adaptation

A collage of typical climates and related weather events: floods, heat waves, droughts, hurricanes, wildfires and loss of glacier ice. (Image credit: )

Global temperatures rose by about 1.98°F (1.1°C) from 1901 to 2020, but climate change implies more than an increase in temperature. It also includes rising sea levels, changes in weather patterns such as droughts and floods, and more. The things we depend on and value—water, energy, transportation, wildlife, agriculture, ecosystems, and human health—will feel the effects of climate change.

The effects of climate change on different sectors of society are interconnected. Drought can harm food production and human health. Flooding can cause the spread of disease and damage to ecosystems and infrastructure. Human health

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