Sustainability

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Without recycling, Earth's natural resources would diminish even more quickly than they already do from human activity. Using items made from recycled material, such as paper, helps prevent deforestation. Recycling also reduces the amount of trash cluttering the planet.

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  • What would happen if people did not recycle?

    Q: What would happen if people did not recycle?

    A: Without recycling, Earth's natural resources would diminish even more quickly than they already do from human activity. Using items made from recycled material, such as paper, helps prevent deforestation. Recycling also reduces the amount of trash cluttering the planet.
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  • What is hydroelectric energy?

    Q: What is hydroelectric energy?

    A: Hydroelectric energy converts the kinetic energy of flowing water into electricity using a turbine. Water flows through a channel, usually carefully regulated as part of a dam spillway, and it turns the blades of the turbine. As long as water continues to flow steadily, the turbine produces a steady stream of electricity. The U.S. Geological Survey Science School states that 19 percent of the world's electricity comes from hydroelectric energy.
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  • What do trees provide?

    Q: What do trees provide?

    A: One of the most important things that trees give people is oxygen to breathe. Trees also give shade, house animals and muffle noise.
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  • Why should we recycle metals?

    Q: Why should we recycle metals?

    A: Recycling metals offers many benefits, including conserving natural resources, reducing emissions and creating new jobs. Forbes reports that recycling metals supported over 450,000 jobs in the United States as of 2011, generating over $90 billion annually.
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  • What is self-sustaining energy?

    Q: What is self-sustaining energy?

    A: Self-sustaining energy, also known as sustainable energy, is energy that meets present needs without depleting natural resources for future generations. It focuses on preserving the environment while developing technology in ways that use renewable energy.
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  • How do you dispose of a lithium-ion battery?

    Q: How do you dispose of a lithium-ion battery?

    A: Lithium-ion and other rechargeable batteries should be recycled so that any hazardous waste, including lead acid and nickel cadmium, can be removed from the waste cycle. Federal guidelines consider lithium-ion and nickel metal hydride batteries to be non-hazardous.
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  • How is coal used by humans?

    Q: How is coal used by humans?

    A: Humans use coal in many ways, including as a fuel and as a source of carbon. As a solid fuel, coal burns to provide heat from stoves, furnaces and boilers as well as energy to supply electrical generating plants. Metal refiners use coke, a solid residue from low-sulfur bituminous coal, in purifying metals in blast furnaces.
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  • What can I do to help save the environment?

    Q: What can I do to help save the environment?

    A: Eliminate paper. Easing up on the use of paper and paper products will help with one of the biggest landfill culprits. Good places to start include replacing paper gift wrapping with fabric or used grocery bags, using glassware instead of paper plates, bringing reusable shopping bags for use at the store, and replacing paper towels with washable hand towels.
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  • What is an electric composter?

    Q: What is an electric composter?

    A: An electric composter is a self-contained, energy-efficient unit that can make compost quickly during any time of the year. Scraps are placed in the unit, where they are heated and aerated for fast decomposition. Some units have a dual-chamber design that allows more debris to be added later.
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  • Q: How do you make biodiesel at home?

    A: Make biodiesel at home using vegetable oil, methanol and sodium hydroxide, commonly known as lye. While biodiesel is not toxic, some of the inputs and intermediate products of biodiesel production are toxic or dangerous to handle. Always wear appropriate personal protective equipment, including gloves, respirators and eye protection.
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  • Q: Where can you find a price guide for recycling aluminum can tabs?

    A: Price guides for recycling aluminum can tabs are located on scrap metal recycling websites such as ScrapMSC.com and MetalPrices.com. Prices fluctuate regularly based on the region and metal market values. Many scrap dealers pay less than the aluminum market value, since they have recycling expenses as well.
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  • Q: What are the disadvantages of recycling?

    A: Recycling is a means of protecting and saving the environment. While it does have many benefits, there are several disadvantages of recycling. For one, recycling is not always cost-effective. In certain cases, more than one factory needs to be established to process reusable products.
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  • Q: What are some science fair projects related to global warming?

    A: Science fair projects related to global warming include those that analyze the greenhouse effect, ozone depletion, the El Niño weather pattern and the influence of carbon dioxide. Students also study how climate change affects natural systems and human health in science fair projects.
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  • Q: Why is sustainable development important?

    A: Sustainable development is a worthy principle that can be applied at every level of society, as it demands that we meet the needs of our generation without compromising the needs of the next. Sustainable development is fiscally responsible, drives intellectual and technological innovation, and demonstrates humanity's pursuit of excellence.
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  • Q: What are some ways to reuse Styrofoam?

    A: A great way to repurpose Styrofoam cups and trays is to use them for arts and crafts. Styrofoam pellets are convenient as a substitute for rocks on the bottom of flower pots to provide aeration and better drainage.
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  • Q: How do you recycle wood?

    A: The easiest way to recycle wood is through a local waste management agency or material reuse outlet. Most areas have access to services that recycle untreated wood for a nominal cost.
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  • Q: What is the primary goal of conservation biology?

    A: The primary goal of conservation biology is to address the Earth's loss of its biological diversity. It focuses on advancing the practice of conserving this diversity and preventing further losses.
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  • Q: How do you solve environmental health problems?

    A: An effective approach to solving environmental health problems is collaborative problem-solving, or CPS. CPS enables stakeholders in environmental health to work together to address the challenges they encounter. Collaborative problem-solving promotes the reconciliation of divergent ideas, suggestions and interests on myriad issues that would otherwise be quite complicated if dealt with on an individual basis.
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  • Q: How do you make a homemade compost bin?

    A: To create a simple home compost bin, use either wire mesh or snow fencing material to create a holding unit. Approximately 10 feet of wire mesh yields a bin 3 feet in diameter, while 13 feet of snow fence creates a 3-square-foot bin.
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  • Q: What is Agenda 21?

    A: Agenda 21 is a United Nations plan of action that provides a guideline to manage human impact on the environment. Agenda 21 provides actionable plan recommendations that is to be implemented by all governments, systems and groups under the United Nations umbrella.
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  • Q: Why should the Everglades be saved?

    A: Jane Graham of the Huffington Post notes there are a number of reasons to save the Everglades, including the preservation of drinking water. She explains that the Everglades provide drinking water for over 7 million Americans, all of whom can be impacted by efforts to conserve the Everglades.
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