The phrase "broad consensus" means that a large group of people agree or have the same opinion on a particular issue or topic. It suggests that there is a general agreement or common understanding among a wide range of individuals. Full definition
I'll end on an up note, nonetheless, related to the abundant evidence for broad consensus on smart energy steps. (dotearth.blogs.nytimes.com)
It's worth noting that amendments are intentionally very difficult to pass, requiring very broad consensus. (politics.stackexchange.com)
One challenge to reaching broad consensus on an expansive approach to teaching and learning is that stakeholders do not always agree on the various terms and definitions that operate within a whole child framework. (ascd.org)