'broad negative effects' is a correct and usable phrase in written English.
You can use it to refer to significant adverse consequences that are far-reaching. For example: "The prolonged drought has had broad negative effects on the region's agricultural industry."
Consequentialist pacifists often also consider the broad and long-term negative effects of war on the economy, on culture, on political life, and on the environment.
So temporary carbon storage strategies will likely be small parts of a broader solution, but the negative effects of leakage coming back to haunt our descendants in the future will not go away.
From a broader social perspective, some negative effects are agreed upon across strata (loss of esteem in the family, worsens oral hygiene, causes poverty, harmful to the unborn child).
Evaluations have reported that CHWs often become "overwhelmed by a very broad range of tasks with negative effects on the overall quality of their performance" [ 19].
Evaluations of PHC-CHW programmes in the past have shown that oftentimes CHWs were overwhelmed by a very broad range of tasks with negative effects on the overall quality of their performance.
Go out and viscerally experience how your decisions today have positive and negative effects on broader society.
"The rise of pornography, and its negative effects on broader culture, are well-documented.
Making trade-offs explicit and salient to policymakers (including the ecological dynamics that can be covered by symbolic battles) is essential in the search for innovative synergies and can open up for a broader appreciation of the positive and negative effects of conservation.
Accordingly, the NCB should have broad cross-sectoral representation in order to minimize the negative effects of inter-institutional rivalry.
