recycling resources / nonrenewable resources has a positive impact on the environment / conservation of those resources
renewable_resource is tangible_thing. renewable_resource is natural_resource. environmentalism is preservation. hazardous_waste has negative_environmental_impact conservation_of_energy is not conservation. non_renewable_resource is not tangible_thing. conservation_of_energy is conservation. hazardous_waste has not negative_environmental_impact renewable_resource is not tangible_thing. non_renewable_resource is tangible_thing.