1.  Currently, heated talks have started about this.

2.  Usually, their conversation is started with an experience described by one person and extended by another recalled by another one.

3.  So , we shall start from ourselves .

4.  Firstly, I got started by calculating my own carbon footprint, which meant that attentions should be paid to details, such as what sort of the apartment I live in, my personal use of energy and travel habits.

5.  First, we should start by cultivating the public about the hazards of pollution.

6.  First , we students should start from our own.

7.  For instance, we can start from a great variety of garbage separation and recovery.