Each of the applications included proposals for green improvements, such as planting organic vegetable gardens, creating recycling programs, and adopting energy - efficiency upgrades. (globalgreen.org)
This will act to maintain the prices at a high enough level to encourage green improvements and will eventually remove all of the permits from circulation when emissions are reduced to zero. (green.blogs.nytimes.com)
Taking advantage of tax breaks for green improvements can also be difficult. (renewablue.com)