As waters recede, focus shift to Houston's chemical plants

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What began as a story about flooding, environmentalist groups say, has become about preventable environmental disaster.http://feeds.feedburner.com/~ff/rss/cnn_us?d=yIl2AUoC8zA</img> (http://rss.cnn.com/~ff/rss/cnn_us?a=8c-qnPpImFI:eI6x6RcF-rA:yIl2AUoC8zA) http://feeds.feedburner.com/~ff/rss/cnn_us?d=7Q72WNTAKBA</img> (http://rss.cnn.com/~ff/rss/cnn_us?a=8c-qnPpImFI:eI6x6RcF-rA:7Q72WNTAKBA) http://feeds.feedburner.com/~ff/rss/cnn_us?i=8c-qnPpImFI:eI6x6RcF-rA:V_sGLiPBpWU</img> (http://rss.cnn.com/~ff/rss/cnn_us?a=8c-qnPpImFI:eI6x6RcF-rA:V_sGLiPBpWU) http://feeds.feedburner.com/~ff/rss/cnn_us?d=qj6IDK7rITs</img> (http://rss.cnn.com/~ff/rss/cnn_us?a=8c-qnPpImFI:eI6x6RcF-rA:qj6IDK7rITs) http://feeds.feedburner.com/~ff/rss/cnn_us?i=8c-qnPpImFI:eI6x6RcF-rA:gIN9vFwOqvQ</img> (http://rss.cnn.com/~ff/rss/cnn_us?a=8c-qnPpImFI:eI6x6RcF-rA:gIN9vFwOqvQ)
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