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...energy demand and associated carbon emissions is, therefore, a key strategy that has been highlighted by the UK Committee on Climate Change and is acknowledged in the Government’s recent heat and buildings strategy. However, 20-30% (that's over ten million homes) of the UK housing stock have heritage value. Many of these buildings aren’t officially designated, meaning...

...energy to do so, leaving less energy for growth and reproduction. Consequently, they up smaller in size. Aside from the impact this has on shellfish, several of the species affected, such as corals in the tropics or coralline algae in the waters around the UK, also play a key role in providing food and nursing grounds for fish. And less fish food leads to fewer fish for...

...energy to make the whole thing work. For almost all of the Earth's ecosystems the ultimate source of energy is light from the sun. Activity 3 Timing: 0 hours 15 minutes This section has introduced a number of terms and definitions: for example, ecology, ecosystem, organism, environment, habitat. Some, perhaps all, of these words may be new to you. One way to record them...

...energy experts, Paul Stevens, a senior research fellow at the London-based Chatham House thinktank, the Royal Institute of International Affairs. Present management strategies within the oil majors have failed to deliver value to shareholders, and profits are declining sharply, Stevens says. Impact on climate Meanwhile, growing public and governmental concerns over fossil...