PARIS, France (AP) — Stamping camembert with a “carbon footprint” rating. Charging Parisians for the empty Bordeaux bottles they discard. Banning high speeds through the pasture-lined highways of the Loire Valley.

France is trying to clean up its act, readying measures this week aimed at reversing its image as environmental laggard and making it a pioneer in the fight against global warming and other threats to the Earth’s well-being.

Yet environmental groups fear the measures, to be finalized at a conference Wednesday and Thursday, will be too watered down to make a difference in France’s carbon emissions and have little impact on worldwide efforts to reduce the pollution that is warming the planet.

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