Many N.J. teachers are spending the lazy, hazy days of summer 2024 learning all about global warming – and plan to take those lessons with them into the classroom in September. At the Meadowlands Environment Center in Lyndhurst, teachers gathered for a weeklong workshop focused on how to deliver meaningful lessons on climate change to students from K to 12 and in nearly every subject across the curriculum – a goal the New Jersey Department of Education set in 2020. “It’s now or never,” to act on climate change, said Joanne Cavera, a recently-retired science teacher from St. Joseph’s Regional H…