Active reading just means you're reading something to learn and gain information. You're engaged and determined to understand the text instead of just reading it and letting the information go in one ear and out the other.
Answer:
The rise of sea levels in coastal areas.
Explanation:
One of the major problems of climate change - especially for low countries boarding to the sea - is the rise of sea level. Several islands have already suffered the consequenses, like loss of homes and/or beaches in coastal areas. The rise of temperatures in coastal areas is a cause for worry but it doesn´t (yet) physically affect people living in coastal areas.