We do not ruin urban conservation areas.

我们不会破坏城市保护区。

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At that time, a vigorous environmental movement got going in the west. Later it developed into an urban conservation movement and became an important part of western social activism.

那时候西方就开始出现轰轰烈烈的民众环保运动，逐渐推广到老城的保护运动，成为西方社会运动的重要组成部分。

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"There'll be lots of activities throughout the city to get people involved, to try to make Gloucester a world leader in urban bee conservation, " he said.

BBC: Gloucester bee conservation project wins ?50,000 grant

The project has seen three phases completed between 2003 and 2011 which addressed various conservation and urban development issues threating the site.

UNESCO: A new phase for the preservation of Afghan World Heritage

And like many a fellow environmentalist, she is concerned that urban sprawl is now encroaching on surrounding conservation areas like Lake Mead, Spring Mountain and Red Rock Canyon.

BBC: NEWS | Science/Nature | Vegas heading for 'dry future'