The Great Lakes and their Basin

OHI E-news of November 21, 2017 At 9 am next Tuesday, November 28, the International Joint Commission will release its first Triennial Assessment of Progress under the re-newed Great Lakes Water Quality Agreement. The assessment is eagerly anticipated. A lot has been...

Hike on October 16: Walker Woods, Uxbridge

Join the Green Durham Association and the OHI at 10 am Sunday, October 16 for a guided walk and the dedication of a new trail through Walker Woods, which shows hike location and trail information. The Green Durham Association was one of the 20 partners in the 2015...

Hike on October 15, 2016: The Alton Grange, Caledon

Join the OHI and the Alton Grange Association at 10 am Saturday October 15 for a hike through the forest and along the boardwalk of this provincially significant wetland. See Alton Grange for the location and a thorough description of the highly varied...