actually all types of pollution could harm people and animals all sorts of animals i will give you some harmful objects
they have no natural predators
Because it is natural lighting when lit on fire. If people use gas or electricity it could harm the environment, where as natural lighting is part of the environment itself.
Callum Gover is a quire
Resolve is now producing a Green line that uses chemicals that do not harm the environment.
Bears in their natural environment are not a problem. When humans enchroach on this environment, humans create problems.
Natural resources are things like wood,fossil fuels,metal etc. if it is used in some ways like burning it then yes, it can cause harm to the environment, but if is let on its own then no, it doesn't cause any harm.
They are both natural. They sometimes cause harm to the environment.
Use of natural resources harms the environment due to the simple fact if you are using natural resources, you are taking away natural resources from the environment / planet, so therefore, if you take away, without replanting or replacing, yes, you are harming the environment.
energy derived from sources that do not use up Natural Resources or harm the environment
Chinook Indians do not harm the environment.
in what way and why doeswaste harm the environment?
This question is not worth answering.The "enviorment" does not exist, "which are not harm" is incorrect grammar.If the question had read "which will not harm the environment" it could be worth answering.Wikipedia says:Biodegradable plastics are plastics that will decompose in the natural environment. Biodegradation of plastics can be achieved by enabling microorganisms in the environment to metabolize the molecular structure of plastic films to produce an inert humus-like material that is less harmful to the environment.