Is climate change real?

Yes, climate change is real and is supported by overwhelming scientific evidence. Here's a summary of what we know:

Key Evidence

Rising temperatures: Global average surface temperatures have increased by about 1.1-1.2°C (roughly 2°F) since the pre-industrial era (late 1800s), with the most rapid warming occurring in recent decades.

Multiple independent lines of evidence all point to the same conclusion:

Scientific consensus: Multiple studies have found that over 97% of actively publishing climate scientists agree that climate warming trends over the past century are extremely likely due to human activities. This consensus is reflected in the work of major scientific organizations worldwide, including NASA, NOAA, the National Academy of Sciences, and the Intergovernmental Panel on Climate Change (IPCC).

What's Causing It

The primary driver is the increase in greenhouse gases (particularly CO2 and methane) in the atmosphere from human activities—mainly burning fossil fuels, deforestation, and industrial processes. These gases trap heat in the atmosphere, leading to the "greenhouse effect."

Why This Matters

The evidence comes from multiple independent sources: direct temperature measurements, satellite data, ice core samples, tree rings, and ocean sediment records—all converging on the same conclusion. This isn't based on a single study or dataset, but on decades of research across many scientific disciplines.

If you're interested in specific aspects—like regional impacts, policy responses, or the science behind climate models—I'm happy to go deeper on any of those topics.