Green education graphics distributed throughout the library provide information on sustainable features such as the use of recycled materials and energy efficiency.

绿色环保节能的图标分布在整个图书馆的各个位置。

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In order to make use of such energy, a transformation from the process of energy production to a stable, sustainable and controllable process is needed.

为了能利用这种能量，需要将这种能量产生过程转化为一种稳定地、持续不断地和可控的过程。

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Use of partially treated wastewater for irrigation of energy crops could be a sustainable option if site-specific recommendations are developed.

使用部分废水处理用于灌溉的能源作物可能会是一个稳固因地制宜选项如果开发。

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Veolia Environmental Services was the other firm fighting to run the incinerator, and whose spokesperson said it believed it was "sympathetic with the local environment and represented a unique opportunity to use the residual waste to provide a secure source of sustainable energy and heat to the neighbouring Tata Steel steelworks - a major source of employment in the area".

BBC: Artist's impression of a Viridor plant in Cardiff

Both Presidents reiterated their belief that a more efficient use of energy, and the use of cleaner and renewable sources and technology are fundamental elements for energy security, which contributes to sustainable economic growth and the protection of the environment.

WHITEHOUSE: President Obama on the United States and Latin America