"What Can We Do for the Earth" Human Home PPT Courseware 2

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"What Can We Do for the Earth" Human Home PPT Courseware 2

The earth gives us life, what do we give to the earth?

Global warming, biological decline, acid rain, forest loss, air and water pollution...

Human damage to the environment will be reflected back on us

Cadiz oil tanker incident

In 1978, a 220,000-ton supertanker in the United States ran aground and sank. All the crude oil leaked, polluting 350 kilometers of coastline, killing more than 20,000 tons of seabirds, and more than 9,000 tons of oysters alone. It caused serious damage to the marine ecological environment of the polluted area. The loss is incalculable.

Environmental problems are also very serious in China

Lead levels in blood of Chinese children exceed critical level by 80% due to environmental pollution

One-third of the country's urban population breathes severely polluted air, and one-third of the country's land is eroded by acid rain. Among them, the acid rain coverage rate in Zhejiang Province has reached 100%.

According to relevant information released by the World Health Organization: my country accounts for 30 of the 50 most polluted cities in the world, and 8 of the top 10 polluted cities in the world; according to the State Environmental Protection Administration It was revealed that the deterioration of environmental pollution in our country is still getting worse, with air pollution alone costing more than 110 billion yuan every year.

What are the functions of green plants?

The chlorophyll in the leaves and stems of green plants can perform photosynthesis and release oxygen and energy when carbon dioxide is converted into sugar. To consume oxygen and exhale carbon dioxide, animals must rely on photosynthesis by green plants to maintain the oxygen balance in the earth's atmosphere. Most of human food comes from plants directly (grain, vegetables, fruits) or indirectly (meat), accounting for the vast majority of human energy. Oil, coal, and natural gas mainly come from ancient plants. In addition, wood is used to build homes, cotton and linen are used to make clothes. Many plants can also be directly used as medicine or extract active ingredients from them to make medicine. In short, human life is absolutely inseparable from it. Open green plants.

What our primary school students can do is:

Cherish stationery and make full use of our books. Saving paper is equivalent to protecting the forest resources that purify the air;

Protect the green, protect the green plants in and around the campus, plant a variety of flowers and plants in courtyards, balconies, and school flower beds, and take care of small saplings;

Do not burn garbage randomly, because when a lot of garbage is burned, it will produce toxic gases and pollute the air:

Promote to parents to buy energy-saving household appliances, which use less electricity and pollute the air;

It is recommended to walk and ride bicycles; if you must take a car, try to take the bus.

Refuse to use disposable chopsticks...

my country's total amount of water resources is not large in the world, but its per capita possession is only one-quarter of the world's per capita possession. It is one of the few water-poor countries in the world.

According to surveys, 30% of current water pollution comes from drainage from factories and enterprises, and 70% comes from household drainage.

As primary school students, we should do:

Pay attention to the faucet to avoid leakage: the faucet is opened and closed at any time. If you see the faucet is not closed properly at school, home or public places, you should close it in time;

Save water resources. The rice washing and vegetable washing water used at home can be used to water flowers;

The water used for washing clothes can be used to mop floors and flush toilets;

Facial wash water can be used to wash feet before flushing the toilet;

We must start from ourselves and not join others in destroying water resources;

Starting from the family, let family members understand the dangers of destroying water resources, so that they will not destroy water resources;

You also need to ask others to protect water resources like you do, and ask parents to save water at work. Don’t think that public water can be wasted;

If you see someone deliberately destroying water sources, you should bravely persuade him;

3. Reduce garbage pollution

Our daily lives produce a lot of garbage. When we throw away these garbage, we may never care about where they go, as if they no longer have anything to do with our lives. In fact, these garbage are destroying the environment more and more seriously and affecting our lives.

There are two ways to reduce garbage: one is not to waste and throw less garbage; the other is that unnecessary things should not be thrown away immediately but should be reused.

Make full use of leftover vegetables at home and make fried rice, etc. to reduce waste:

Paper is made of wood, so we should cherish paper, use the back of advertisements or leaflets as recording paper, and try not to use disposable paper products

Refuse extra packaging when shopping: don’t use plastic wrap for leftovers, put them in lidded containers;

Buy drinks in glass bottles when possible;

When buying instant noodles, don’t buy them in bowls, buy them in bags;

Instead of using plastic bags from supermarkets or markets, bring your own bags; send beer bottles and milk bottles to the store, flatten cans, and send them for recycling;

Don’t litter, throw them in the bin;

Burning some plastics and industrial waste will produce harmful gases, and burning is strictly prohibited;

When using batteries, use rechargeable batteries.

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Update Time: 2024-11-18

This template belongs to Morality and Society People's Education Press Sixth Grade Society Volume 2 industry PPT template

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