Right now landfills are an inexpensive place to deposit waste. Landfills are designed so that they do not emit foul smelling odors, which means that all waste dumped there is not decomposing. Newspapers dumped many years ago are still readable. That may be the reason why landfills are being closed throughout the country. Natural resources are being depleted faster than they are being replenished.
Cars are heavy polluters of the environment.
Economics always seems to be more important than the environment so until gas prices become too high we will always drive in gas-powered cars. It provides zero emmissions and works as long as the sun shines. To maximize energy output a solar array or grid needs to be placed in orbit to collect energy from the sun 24 hours a day. Waste management is a huge issue that needs to be addressed now. Right now landfills are an inexpensive place to deposit waste.