Inventions that help our environment?

Question

Can people name some inventions that help our environment stay clean & healthy?

INVENTIONS ONLY PLEASE

NOT THINGS YOU CAN DO

Answer 1

hybrid cars,fluorecent lightbulbs

Answer 2

HELP THE ENVIRONMENT

Guns to shoot poachers .and contaminators ,and farmers that destroy jungles with slash and burning
and people who start forrest fires


Eco tourism is the only idea worth mentioning,that benefits the Environment because it is needed for the business ,

and puts labor into play for maintanance and as guides and guards ,and money is brought into circulation that benefits local people who would otherwise harm the Environment

also money to improve or safeguard the concept becomes avaiable .


Inventions that help would be radio comunications ,the camera for promotional work .
the helicopter for acces,fencing material for protection of borders
the tent ,for visitors etc,

As far as vigilence ,control, and monitoring conditions ,all the laboratory inventions ,microscope test tubes you name it

DO NOT HARM THE ENVIRONMENT
and then there are all the inventions that do not harm the Environment ,such as clothes lines instead of washing machines

bycicles instead of cars

feet instead of taxis

sailing ships instead of powerboats

cloth bags instead of paper or plastic bags

this question has no end
goodbye have a nice day

Answer 3

Nuclear power. Produces as much energy as we need without releasing greenhouse gases.

Answer 4

definatley not computers. they use a lot of energy.
Also turning off your TV set works good!

Answer 5

a Greenhouse?

Answer 6

rainwater harvesting-look it up on google