Which works to solve environmental challenges by raising awareness, fundraising, and influencing policy?

1A-government agencies

2B-non-government agencies

3C-international treaties

4D-national laws

The one that works to solve environmental challenges by raising awareness, fundraising, and influencing policy is: non-government agencies

The government often unwilling to address environmental challenge because it will become a huge expense in their Annual Budget. So, most active organization that fight for Environmental issues today tend to be a non-government agency, such as Green Peace.