HalifACT 2050 Long-term action plan to address climate change About Solar City Learn more Picking Up After Your Pet Find out why you should pick up after your pet ... Invasive Species Invasive species in the Halifax area Canines for Clean Water We want dogs across the municipality to become canines for clean water. Join other owners pledging to keep our lakes clean by using dog bags. Harmful Algae Blooms Some types of blue-green algae, also known as cyanobacteria, form toxin-producing blooms. Learn how to identify harmful algae and how to stay safe this summer.