HARLINGEN, Texas (Border Report) -- A new study projects there will be a shortage of millions of workers worldwide for green jobs by 2040 if migrants aren't trained and hired for these workforce demands.

The study, "Good Green Jobs and Labour Migration in Cities," released Thursday by the Mayors Migration Council, Climate Migration Council and C40 Cities is the first to detail projected green job labor shortages in construction, transportation and waste industries.

Training migrants to fill the green jobs gap could add $280 billion to the worldwide economy, the report says.

Urban climate change is projected to create 13 million green jobs by 2040.

The study projects a shortage of 3 to 6 million workers by 2040 and says, "Failing to address these shortages would present a missed opportu

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