The quote states that we should be using solar energy before our limited amount of naturally occurring oil and coal runs out. Meaning; we should be proactively working towards solar power rather than to wait for our resource to run out to start.
The actions that youth could take to avoid poverty traps are:
- Do not spend money on luxury items that we do not need
- Start to plan in creating early investments so we could reap the benefir as we got older
- Start to widen skills basics so we could receive a lot of job opportunities in the future
The Contiguous United States does not include Alaska, Hawaii, or any other territories under the control of the United States. Alaska is unique among the US states as it is part of the North American continent, meaning it is attached via Canada, and so is part of the "Continental United States".
The Rocky Mountains are described as younger because the Rocky's are really two mountain chains. The older mountain chain started billions of years ago, and the younger mountain chain pushed the older mountain chain up more, only 60 millions years ago.