What is the main responsibilities of scientists when environmental laws are proposed

The scientists should educate the lawmakers about the current climatic situations, and alert them about the consequences of further industrialization and deforestation. Scientists should improve the quality of complex policy decisions. They should also talk to the policy makers about the possible solutions, to mitigate the pollution and climate-related problems. 

Stealthily, eerily, nervously, fearfully, excitedly, sheepishly, immediately

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