Importing 10 million invaders from countries with low greenhouse gas emissions per capita to the US is not green.

Table of countries ranked by green house gas emissions per capita.

https://en.m.wikipedia.org/wiki/List_of_countries_by_greenhouse_gas_emissions_per_capita

“The scale and composition of recent migration have failed to deliver the significant economic and fiscal benefits its advocates promised, while putting enormous pressure on housing, public services, and infrastructure,”

Mass Immigration Has "Utterly Failed" Britain As New Report Debunks Myths Of Economic Growth & Fiscal Benefits