Less than a year ago, Gov. Greg Abbott welcomed data centers. Now he is confronting concerns about the projects even among fellow Republicans.

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The Democratic candidate for governor backed restrictions on disposal of fracking wastewater around a hard-hit town, and called for a “thorough investigation” of the dangers.

© Maddie McGarvey for The New York Times

With opposition to the centers mounting, many Democrats and a growing number of Republicans are campaigning against them.

© Aubrey Trinnaman for The New York Times