Take more trains and fewer planes. That's what Sarah Kendrew pledged to herself a few years ago. An astronomer at the Netherlands' Leiden Observatory, she travels frequently to nearby countries on business -- and prefers to not leave vapor trails in the sky when doing so. http://feeds.feedburner.com/~ff/rss/...?d=yIl2AUoC8zA http://feeds.feedburner.com/~ff/rss/...?d=7Q72WNTAKBA http://feeds.feedburner.com/~ff/rss/...C0:V_sGLiPBpWU http://feeds.feedburner.com/~ff/rss/...?d=qj6IDK7rITs http://feeds.feedburner.com/~ff/rss/...C0:gIN9vFwOqvQ
http://feeds.feedburner.com/~r/rss/c...~4/GIKvezjV-U0
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