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Europe’s greener photovoltaic value chain

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A renewable resource is a substance of economic value that can be replaced or replenished in the same or less amount of time than it takes to draw the supply down. Some renewable resources have, essentially, an endless supply such as solar energy, wind energy, and geothermal pressure, whereas other resources are considered renewable even though some time or effort must go into their renewal e.

Sustainable energy

Most precious metals are renewable also. Although precious metals are not naturally replaced, they can be recycled because they are not destroyed during their extraction and use.

HEMPCRETE - the Ultimate Sustainable Building Material

A renewable resource is different from a nonrenewable resource; a nonrenewable resource is depleted and cannot be recovered once it is used. As the human population continues to grow, the demand for renewable resources increases.

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According to the Renewable Resources Coalition, an online publication of recent news, research, and information on renewable energy and green living, overpopulation is one of the main contributors to environmental and natural resource issues. Natural resources are a form of equity, and they are known as natural capital. Biofuel , or energy made from renewable organic products, has gained prevalence in recent years as an alternative energy source to nonrenewable resources such as coal, oil, and natural gas.

Although prices are still higher for biofuel, increasing scarcity and the forces of supply and demand will result in higher prices for fossil fuels, which will make the price of biofuel more competitive.

Renewable Resource Definition

Types of biofuel include biodiesel, an alternative to oil, and green diesel, which is made from algae and other plants. Other renewable resources include oxygen and solar energy. Wind and water are also used to create renewable energy. For example, windmills harness the wind's natural power and turn it into energy. Renewable resources have become a focal point of the environmental movement, both politically and economically.

Energy obtained from renewable resources puts much less strain on the limited supply of fossil fuels, which are nonrenewable resources. The problem with using renewable resources on a large scale is that they are costly and, in most cases, more research is needed for their use to be cost-effective. Adopting sustainable energy is often referred to as "going green" due to the positive impact on the environment. Energy sources such as fossil fuels damage the environment when burned and contribute to global warming.

The first major international accord to curb carbon dioxide emissions and global warming was the Kyoto Protocol, signed in More recently, global powers met in Paris in to pledge emissions reductions and focus on higher reliance on renewable resources for energy. The EIA reports the consumption of biofuels and other nonhydroelectric renewable energy sources more than doubled between and To encourage the use of renewable resources, there are many incentives designed to encourage the use of alternative energy.

For example, energy taxes place a surcharge on fossil fuels so that the prices of renewable resources are more competitive and people will be more inclined to use renewable energy. Green funds , investment vehicles such as mutual funds, support eco-friendly and sustainable companies by investing in them and helping to promote environmental awareness. These incentives seem to be having an effect.