International visitors learn about improving environment

They came from all over the world - Mexico, India, Thailand, Serbia - to a quiet corner of Annapolis where purple coneflowers bloom and switch grass sways in the breeze.

For the second time in two weeks, the Chesapeake Ecology Center hosted an international delegation of environment officials who are touring America to gather and exchange ideas.

On June 4, visitors came from Latin America. On Thursday, a group of 19 officials from just as many countries toured the center's gardens and helped with some mulching.

The ecology center's Zora Lathan explained concepts such as rain gardens, green roofs, rain barrels and...