House Republican leaders initially tried to exclude environmental provisions from the bill, but Senate passage was impossible without them.

Some contentious environmental provisions regarding Alaska were also scaled back, aides said.

The bill began moving faster through the Senate last week after the addition of two environmental provisions.

Democrats and conservation groups were also pressing to eliminate some contentious environmental provisions.

Chile has said that it would comply with the vast majority of Nafta's terms, including labor and environmental provisions.

The police said that the protesters were in violation of various archaeological and environmental provisions, while also making 7 arrests.

Members can do nothing to correct weak safety and environmental provisions in an otherwise strong trade agreement.

This was evident in the environmental provisions over which the President had issued vague veto threats.

"Without the environmental provisions, Nafta would not have survived."

The convention is a document with significant environmental provisions and 130 members.