A legal challenge has been mounted with hopes of reversing the Federal Aviation Administration's decision to issue an operating license to a commercial spaceport that would launch rocket ships over Cumberland Island National Seashore off the coast of Georgia.

Near the top of the hike up Signal Hill where Antigua’s last remaining rainforest gives way to rocky barrens, clumps of a long and deceptively pretty plant with a bright, citrus aroma sprout from the volcanic soil. It’s lemongrass — that ingredient we all love in Thai curries and soups, but an invasive species that grows fast and burns easily on this Caribbean island because of the high oil content in its leaves.

Parks Canada has opened a temporary visitor center for Newfoundland's Gros Morne National Park on the waterfront in Rocky Harbour.

Calgarians are being encouraged to help offset the impact of personal vehicle use on wildlife and the environment by taking transit to Banff National Park.