Find replacements for things that often use coal. Instead of coal BBQs, get gas ones. Instead of coal fireplaces, use wood or gas.
To conserve the environment.
Use coal less
it is how you conserve and preserve your future
if we will conserve, then it will be there , if not, it will not be there.
Coal
conserve coal to see the brighter earth
Nuclear reactors provide electric power without using oil or coal, so to that extent they do conserve these resources
only use wood when it is needed or when it is used E.G. for fire when there is no coal
Your tenet is just not sustainable. I hope you manage your newly-acquired forest in a sustainable manner.
coal,petroleum products
Synthetic diamonds can be made in a sustainable manner. Mined diamonds are not sustainable.
a non sustainable resource is a resource that will soon all be used up such as oil or coal