DALLAS (AP) — Disregarding the company's opposition, Exxon Mobil shareholders asked the oil giant to provide more information about the impact that climate-change policies could have on its business.

The measure was approved Wednesday by investors holding 62 percent of Exxon shares. A similar proposal earned 38 percent approval a year ago.

The vote was a defeat for Exxon and a victory for environmentalists and large shareholders, who worry that measures to limit climate change could reduce demand for fuels that produce heat-trapping emissions when burned.

The vote at the largest U.S. oil compa...