Question

hypothesis on rising demand and supply for energy and water​

Answer 1

Answer:

Explanation:

⇒ Hypothesis is a proposed explanation for a phenomenon.

- The  hypothesis on rising demand and supply for energy and water​ is :

1.The energy and water will reach to every house on rising of its demand.

2.Every poor will get the supply of energy water.

3.There will be public awarness.

4.Everywhere the number of poor people will decrease.

Answer 2

Energy demand is the term used to describe the consumption of energy by human activity. It drives the whole energy system, influencing the total amount of energy used; the location of, and types of fuel used in the energy supply system; and the characteristics of the end use technologies that consume energy.

When we talk about energy demand, we refer to all uses of energy: electricity, transport fuels and fuels for heating and industrial processes. Our current energy system is at the beginning of a period of massive change. In order to respond to the threat of climate change, we will need to eliminate fossil fuels from the UK energy system by 2050. Energy efficiency has increased and demand in the UK has fallen significantly in the last decade, but this trend needs to be continued and reinforced.

Improved energy efficiency will not be sufficient

Although critical, improved energy efficiency will not be sufficient; we will also need to move away from fossil fuels. In electricity generation, current trends are positive. The costs of wind and solar energy are falling rapidly, and therefore we are seeing higher proportions of renewables in electricity generation, allowing us to move away from polluting fossil fuels such as coal. However, including large amounts of renewables into electricity supply is not straightforward. Electricity supply and demand have to be constantly balanced and solar and wind are variable sources, making this balancing more difficult.

Many people are working on energy storage solutions and these are improving. Greater flexibility in electricity demand, often called demand side response, can also help. This involves a much greater understanding of the timing of energy demand and how it can be altered, either by changing our energy practices (e.g. doing the washing at different times) or storing energy locally (e.g. in hot water tanks or electric vehicle batteries). There are some technologies that promise to manage demand through smart devices connected via the internet and smart meters to a smart grid. Significant social changes will need to accompany these technological changes.

Decarbonising fuels

We will also need to decarbonise the fuels we use in heating and transport. Electrification can play a big role in this. We are already seeing increased demand for electric vehicles and some electric heating. However, complete electrification of heating is unlikely, and there are similar issues in moving away from fossil fuels in freight transport, aviation, shipping and many industrial processes. It is therefore likely that new energy carriers such as hydrogen will be needed, raising new issues for energy demand research.

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