1
I
suggest
that
Japan stop using coal as an energy source for two reasons.
I suggest that ～ ～することを提案します
I suggest that ～ ～することを提案します
2
First,
it emits large amounts of carbon dioxide when it is burned.
First, ～ まず～、第一に～
First, ～ まず～、第一に～
3
Second,
renewable energy sources such as wind and solar power are better for the environment.
Second, ～ 次に～、第二に～
Second, ～ 次に～、第二に～
4
Japan is surrounded by the sea, which means there is plenty of space for wind turbines and floating solar farms.
which means ～ それは～ということを意味する
which means ～ それは～ということを意味する