A deported Vietnamese blogger promises to work effectively from abroad for freedom of expression in the communist state.
They say officials must cease development of a lake on their property.
Nguyen Van Hai says he will work from abroad to free jailed dissident writers in Vietnam.
He has been in jail for more than six years.
He says prison officials tried to force him to admit his crimes.
A recent waste spillage from a reservoir has renewed concerns about environmental damage.
He has suffered indignities and deprivation at the hands of guards and other inmates.
They say the money should be spent on health care and education.
He describes harsh treatment at the hands of authorities.
But journalists say some papers fear setting an example for Vietnam.