Recently, automotive original equipment manufacturers have focused their efforts on developing greener propulsion solutions in order to meet the societal demand and ecological need for clean transportation, so the development of new energy vehicle (NEV) has become a consensus among governments and automotive enterprises.
— Jeff Gordinier Bloomberg Businessweek: They are venture-capital-based start-ups, and they are trying to engineer "clean food," ecological dietary alternatives to traditional products that, they say, are better for people and the planet.
Key ecological services, such as clean air and water, drought and flood protection, soil generation and preservation, and detoxification of wastes are disrupted, risking the health and welfare of society.
Environmental Protection Agency Administrator Andrew Wheeler does not deny the existence of human-caused climate change, although he does say that more urgent ecological problems such as clean drinking water are now on his radar.
Ecological role: Omnivores; they help clean up food litter on our streets and feed on berries and weed seeds.
In the chemistry department, Thomas Spiro's Chemistry and the Environment (CHM 333) considers the balancing of risks and perceptions in ecological matters such as pollution clean-up strategies and competing energy sources.
China is experiencing an environmental crisis, and President Xi realizes China must transform its development approach from "grow first, clean up later" to the "ecological civilization" where development respects ecological carrying capacities24,25.
The plan was to feature "ecological agriculture" and "green building and clean energy technologies," according to the Web site www.marbletowngreen.com.
"From an ecological standpoint, it's just so clean, versus burning fossil fuel, and the compaction you get with a tractor," he said.
Sixty percent of ecological services--benefits such as clean air for breathing or timber for building--are degraded or being used unsustainably, according to the Millennium Ecosystem Assessment (Science, 1 April 2005, p. 41).
