Eric Walker added The Invisible Crisis Threatening America's Food Superpower Status | WSJ - YouTube to Climate change, agriculture and food security in North America
Eric Walker added Drought and extreme heat burn through farmers' margin for error — and it's only July to Climate change, agriculture and food security in North America
Eric Walker placed Climate change, agriculture and food security in North America under Climate change, agriculture and food security
Eric Walker added Scientists Raise Alarm Over Risk of 'Synchronized' Global Crop Failures to Climate change, agriculture and food security in North America
Eric Walker added Climate change, agriculture and food security in North America to Climate change in North America