Global warming affects 64 million people currently, and could increase to 250 million in 2050, according to United Nations Environment Program (UNEP).
The left-wing political groups want an official government body set up to monitor the problem.
Equo spokesman Juantxo López de Uralde added that women are specially more vulnerable, and need special protection.
“Climate change is becoming a greater cause of deplacements than conflict, that’s why we can’t look the other way,” he said.
“We have to face the problem and take legal measurements that acknowledge this reality”.
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