And how to improve coal enterprises' surrounding image is one of the important point for landscape architecture.

而如何改善煤炭企业的环境形象，也是景观规划专业的重要实践内容之一。

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Preferred plan designed to improve coal economization efficiency, the efficiency request is 20~30%, then bituminous coal black color is removed and desulfurization.

设计最佳配方，提高节煤效率，节煤率要求达到20～30％，去掉煤烟黑色及脱硫。

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Microcomputer management system of coal mine safety information is designed to improve coal mine safety and provide reliable safety information for managing persons.

煤矿安全信息计算机管理系统是为提高煤矿安全管理水平，为管理人员提供高效可靠的安全信息而设计的。

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Mother Jones believed that unions represented the best hope for coal miners and other workers to improve their lives.

VOA: special.2009.03.16

China's efforts to improve coal supplies include the building of a new east-west passenger railway line, set to open in 2013, which should free existing tracks for coal transport.

ECONOMIST: What is good news for miners is bad news for the environment

For example, the first phase of the EU Emissions Trading program, which contained several design flaws that have since been rectified, has already been found to have reduced emissions by around 100 million tonnes of CO2 mostly by forcing a shift of load from coal to gas power plants and providing an incentive for inefficient coal plants to improve the thermal efficiency of their boilers.

CNN: Your ask the expert: Carbon trading, part 2

This picture should improve as the UK reduces its dependency on coal.

BBC: How environmentally friendly are electric cars?