They can run out.
We can store the energy cheaply.
Sometimes they don't generate lots of energy.
they are abundant in nature
Biomass helps reduce organic waste.
Nature replenishes them quickly.
The infrastructure can harm the environment.
we can transport easily
Theycan cause disasters
they pollute the environment.
They cause less pollution.
The resources are not always reliable.
we damage the environment when extract them.
They don't run out.
they are harmful to our health.
We can generate lots of energy cheaply