---
title: "More Americans Say There Is Solid Evidence of Global Warming"
description: "Two-thirds of Americans now say there is solid evidence of global warming and an increasing proportion also say that the rise in the earth's temperature has mostly been caused by human activity."
date: "2012-10-15"
authors:
  - name: "Pew Research Center"
url: "https://www.pewresearch.org/science/2012/10/15/more-americans-say-there-is-solid-evidence-of-global-warming/"
categories:
  - "Climate, Energy & Environment"
---

# More Americans Say There Is Solid Evidence of Global Warming