The sooner it is upheld by the courts, the quicker we can meet and overcome the greatest environmental challenge of our time. (nrdc.org)
We are going to need their innovation and creative problem - solving to help solve the multitude of environmental challenges facing us today and in the future. (carolinaparent.com)
Historically it has served as a camping site and continues to do so, but not without a serious environmental challenge in the process. (sa-venues.com)