Green Roofs Absorb Rainwater, Grow Food

Rainwater is essential for life. It helps plants and food crops flourish, and it keeps grasslands green and lush. But too much of it, especially in the city, can lead to flooding, causing sewers to overflow and carry pollutants and contaminants to nearby streams and waterways. To combat the problem in urban areas of the country, a growing number of cities across the U.S. are initiating programs like rooftop gardens. ​A labor of love To help with that initiative in the...

© La Voix de l'Amérique - vendredi 8 février 2019