All of this makes up a very large landscape of problems, each one of which has relevant scientific methods and information that feed into it. So, science and conservation are very intimate.

这些就是问题的重点所在，每一个这样的疑问都关乎到科学方法和信息汇总，科学和环保是非常亲密的一对。

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Courses provide a practical knowledge of soil conservation and irrigation management, entomology, landscape design, and the operation of light machinery for cultivating and pruning landscape plants.

课程提供了土壤保护和灌溉管理，昆虫学，景观设计的实用知识，以及轻工机械操作和修剪园林植物技能的培养。

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Your landscape designer, local farm agent and USDA soil conservation service are great sources of information on what kinds of grasses do well in your area.

您的景观设计师，当地农场代理人和美国农业部土壤保护服务是十分丰富的信息来源，什么样的牧草种做好在您的地区。

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Mountain climbers often set off on expeditions to summit unconquered peaks, but in this month's edition of National Geographic Radio Expeditions, NPR's Alex Chadwick tells the story of four mountaineers on a daring expedition across a vast, desolate landscape in northern Tibet for the goal of conservation.

NPR: Chang Tang's Endangered Antelope

"One of the main reasons bumble bees have been declining over the last 70, 80 years has been changes in the landscape, " explains Dawn Ewing, outreach manager of the Bumblebee Conservation Trust.

BBC: Making a bee-line for city roofs