Peter Tirschwell is vice president for supply chains at S&P Global Market Intelligence and chairman of the TPM ocean container supply chain conference.
Falling monthly totals obscure growth of indigenous green tech supply chains

Shipping containers in California: China's share of U.S. imports has dropped over the past several years but its global share of green-tech exports is expanding. © Reuters
Peter Tirschwell is vice president for supply chains at S&P Global Market Intelligence and chairman of the TPM ocean container supply chain conference.