Responses
From GPT-5, To “Is climate change real?”.
- GPT-5Oct 90 citationsIs climate change real?
Yes. Climate change is real, and the primary cause of the recent rapid warming is human activity—mainly the burning of fossil fuels and deforestation. What the evidence shows: - Temperatures: Earth’s average surface temperature has risen by about 1.2°C (2.2°F) since the late 1800s. - Greenhouse gases: CO2 levels are now over 420 parts per million—far above natural ranges over the last 800,000+ ye
- GPT-5Oct 80 citationsIs climate change real?
Yes. Climate change is real, and the primary cause today is human activity—mainly burning fossil fuels and deforestation. Key evidence: - Physics: Greenhouse gases (CO2, methane) trap heat; this has been understood since the 19th century. - Measurements: Atmospheric CO2 has risen ~50% since preindustrial times (from ~280 ppm to over 420 ppm), and global average temperature has increased by about
- GPT-5Oct 70 citationsIs climate change real?
Yes. Climate change is real, and the dominant cause of the recent rapid warming is human activity—primarily burning coal, oil, and gas, plus deforestation. Why scientists are confident: - Thermometers show Earth has warmed by about 1.2°C (2.2°F) since the late 1800s. - Greenhouse gases (CO2, methane) are rising and we can directly measure their heat-trapping effect in the atmosphere. - Oceans are
- GPT-5Oct 60 citationsIs climate change real?
Yes. Climate change is real, and the planet is warming. The strongest evidence includes: - Global temperatures have risen by over 1°C since the late 1800s. - Atmospheric CO2 has increased by about 50% (from ~280 ppm preindustrial to over 420 ppm today). - Oceans are storing more heat; sea level is rising; glaciers and Arctic sea ice are shrinking. - Seasons and ecosystems are shifting, and extreme
- GPT-5Oct 50 citationsYesIs climate change real?
Yes. Climate change is real, it’s already happening, and the primary cause is human activity—mainly burning fossil fuels and deforestation. What we know, in brief: - Measured warming: Earth’s average surface temperature has risen by roughly 1.1–1.3°C (2.0–2.3°F) since the late 1800s. - Clear human fingerprint: Increased greenhouse gases trap more heat; we also see telltale signs like stratospheri
- GPT-5Oct 40 citationsIs climate change real?
Yes. Earth’s climate is warming, and the primary cause is human activities—especially burning fossil fuels, deforestation, and some agricultural practices that increase greenhouse gases (CO2, methane, nitrous oxide). How we know: - Thermometers and satellites show global surface temperatures have risen by about 1.2–1.3°C (2.2–2.3°F) since the late 1800s. - Oceans are storing more heat; global sea
- GPT-5Oct 30 citationsIs climate change real?
Yes. Climate change is real and primarily caused by human activities, especially burning fossil fuels and deforestation. Why we’re sure: - Physics: Greenhouse gases (CO2, methane) trap heat—this has been understood since the 19th century. - Measurements: - Global average temperature has risen by about 1.1–1.3°C since the late 1800s. - CO2 has increased by roughly 50% (from ~280 ppm pre‑indus
- GPT-5Oct 20 citationsIs climate change real?
Yes. Climate change is real, and the planet is warming. The strongest evidence shows recent warming is primarily caused by human activities—especially burning fossil fuels, which increases heat‑trapping gases like CO2 and methane. Why scientists are sure: - Basic physics: Greenhouse gases absorb and re‑emit heat; adding more increases Earth’s energy imbalance. - Consistent observations: Rising gl
- GPT-5Oct 10 citationsIs climate change real?
Yes. Climate change is real, and the primary driver of the current warming is human activity—mainly burning fossil fuels and deforestation. Key evidence: - Global temperatures have risen about 1.2°C (2.2°F) since the late 1800s; the last decade has been the warmest in the instrumental record. - Atmospheric CO2 has increased from ~280 ppm before the industrial era to over 420 ppm today, strengthen
- GPT-5Sep 300 citationsIs climate change real?
Yes. Climate change is real, and the dominant cause of recent warming is human activity—mainly burning fossil fuels and deforestation. What we observe: - Global average temperature has risen by about 1.2°C since the late 1800s. - Oceans are heating and sea level is rising as water expands and land ice melts. - Glaciers and Arctic sea ice are shrinking. - Heat waves are more frequent and intense;
- GPT-5Sep 290 citationsIs climate change real?
Yes. Climate change is real and it’s primarily caused by human activities, especially burning fossil fuels and deforestation. Why scientists are sure: - Global temperatures have risen by about 1.2°C since the late 1800s. - Atmospheric CO2 climbed from ~280 ppm pre‑industrial to over 420 ppm today—matching the physics of how greenhouse gases trap heat. - Oceans are warming, sea levels are rising,
- GPT-5Sep 280 citationsIs climate change real?
Yes. Climate change is real, and the planet is warming. Multiple independent lines of evidence show this: - Instrument records: Global air and ocean temperatures have risen markedly since the late 1800s; the oceans hold most of the excess heat. - Cryosphere changes: Glaciers and ice sheets are losing mass; Arctic sea ice is declining. - Sea level: Global mean sea level is rising from warming ocean
- GPT-5Sep 270 citationsIs climate change real?
Yes. Climate change is real, and the dominant cause of the recent warming is human emissions of greenhouse gases (mainly carbon dioxide and methane). Why scientists are confident: - Basic physics: Greenhouse gases trap heat; this has been measured in the lab and from satellites. - Temperature records: Earth’s surface has warmed by roughly 1.1–1.3°C (2–2.3°F) since the late 1800s. - Ocean heat: Ov
- GPT-5Sep 260 citationsIs climate change real?
Yes. Climate change is real, and the dominant cause of the recent warming is human activity (mainly burning fossil fuels, deforestation, and some industrial/agricultural practices). Why scientists are confident: - Physics: Greenhouse gases like CO2 trap heat—this is well-established laboratory and atmospheric physics. - Measurements: Atmospheric greenhouse gas levels have risen sharply since the
- GPT-5Sep 250 citationsIs climate change real?
Yes. Climate change is real, and the primary driver is human activity—mainly burning fossil fuels, deforestation, and certain industrial and agricultural practices. Why scientists are confident: - Temperatures: Earth’s average surface temperature has risen by a little over 1°C (about 2°F) since the late 1800s, and the most recent decade has been the warmest on record. - Greenhouse gases: Atmosphe
- GPT-5Sep 240 citationsIs climate change real?
Yes. Climate change is real, and the planet is warming primarily because of human activities—mainly burning fossil fuels and deforestation. How we know: - Temperatures: Global average surface temperature has risen by about 1.2°C (2.2°F) since the late 1800s. - Greenhouse gases: Atmospheric CO2 has climbed from ~280 ppm pre‑industrial to over 420 ppm today. - Oceans and ice: Oceans are heating up,
- GPT-5Sep 230 citationsYesIs climate change real?
Yes. - Earth has warmed about 1.2°C (2.2°F) since the late 1800s, mainly from greenhouse gases released by burning fossil fuels and deforestation. - Multiple, independent lines of evidence show this: rising air and ocean temperatures, shrinking glaciers and Arctic sea ice, sea level up ~8–9 inches since 1880, earlier springs, shifting species ranges, and more frequent/intense heat extremes. - The
- GPT-5Sep 220 citationsIs climate change real?
Yes. Climate change is real, and the main driver today is human activity—especially burning fossil fuels and deforestation. Key evidence: - Global temperatures have risen rapidly since the late 1800s. - Atmospheric CO2 has surged to levels not seen in millions of years, with a clear human fingerprint (isotope ratios and the timing match fossil fuel use). - Oceans are heating and acidifying; sea l
- GPT-5Sep 210 citationsIs climate change real?
Yes. The evidence that Earth’s climate is warming—and that human activities are the main cause—is overwhelming. What we measure - Global average temperature has risen by about 1.1–1.3°C since the late 1800s. - Atmospheric CO2 climbed from ~280 ppm (preindustrial) to over 420 ppm today, mainly from burning coal, oil, and gas and from deforestation. - Oceans are heating up, sea level has risen more
- GPT-5Sep 200 citationsIs climate change real?
Yes. The planet is warming and humans are the primary cause. Key evidence: - Physics: Greenhouse gases like CO2 and methane trap heat; this is measured in the lab and seen from satellites. - Temperature: Average global surface temperature has risen by about 1.2°C (2.2°F) since the late 1800s; the last decade has been the warmest on record. - Oceans and ice: Oceans are absorbing most of the extra
- GPT-5Sep 190 citationsIs climate change real?
Yes. Climate change is real, and the planet is warming primarily because of human activities—mainly burning fossil fuels and deforestation. What we observe: - Temperatures: Global average surface temperature has risen about 1.2°C (2.2°F) since the late 1800s. - Greenhouse gases: CO2 has increased from ~280 ppm pre‑industrial to ~420 ppm today, trapping more heat. The carbon isotopes and a slight
- GPT-5Sep 180 citationsIs climate change real?
Yes. Climate change is real, it’s happening now, and the primary cause is human activities—mainly burning fossil fuels and deforestation. How we know, in brief: - Physics: Greenhouse gases like CO2 trap heat. CO2 has risen from about 280 ppm pre‑industrial to over 420 ppm today, enhancing Earth’s natural greenhouse effect. - Measurements: Global average temperature has warmed by roughly 1.1–1.3°C
- GPT-5Sep 170 citationsIs climate change real?
Yes. The planet is warming and human activity is the primary cause. Why scientists are sure: - Basic physics: Greenhouse gases (CO2, methane, etc.) trap heat. We’ve raised CO2 ~50% above pre‑industrial levels, mostly by burning fossil fuels and deforestation. - Consistent measurements: Global surface temperatures have risen a little over 1°C (≈2°F) since the late 1800s; oceans are storing more he
- GPT-5Sep 160 citationsYesIs climate change real?
Yes. Climate change is real and the dominant cause is human activity, especially burning fossil fuels and deforestation. Key evidence: - Basic physics: Greenhouse gases like CO2 and methane trap heat; this has been measured in the lab for over a century. - Rising concentrations: CO2 has climbed from about 280 ppm pre‑industrial to over 420 ppm today. - Warming trend: Global surface temperatures h
- GPT-5Sep 150 citationsYesIs climate change real?
Yes. The evidence is overwhelming that Earth’s climate is warming and that humans—mainly through burning fossil fuels and deforestation—are the primary cause. Key points: - Basic physics: Greenhouse gases like CO2 and methane trap heat. Human activities have raised their concentrations sharply since the 1800s. - Measured changes: Global average temperature has risen by roughly 1.1–1.3°C since the
- GPT-5Sep 140 citationsYesIs climate change real?
Yes. Climate change is real, and the dominant cause of the recent, rapid warming is human activity—primarily burning fossil fuels, deforestation, and certain agricultural practices. Key evidence in brief: - Temperatures: Earth’s average surface temperature has risen by a little over 1°C since the late 1800s, with the last decade the warmest on record. - Greenhouse gases: CO2 has climbed from ~280
- GPT-5Sep 130 citationsYesIs climate change real?
Yes. Earth’s climate is warming, and the main cause is human activity—especially greenhouse gases from burning fossil fuels and deforestation. Key evidence includes: - Instrumental records showing about 1.2–1.3°C of global warming since the late 1800s - Rapid ocean heating and rising sea levels (roughly 8 inches/20 cm since 1900) - Widespread glacier and Arctic sea‑ice loss - More frequent/intens
- GPT-5Sep 120 citationsYesIs climate change real?
Yes. Climate change is real, and the dominant cause of the recent warming is human activity—mainly burning fossil fuels, deforestation, and certain industrial processes that increase heat‑trapping gases (CO2, methane, nitrous oxide). Key evidence: - Global average temperature has risen about 1.2°C (2.2°F) since the late 1800s. - Seas have risen roughly 8 inches (about 20 cm) since 1900; glaciers
- GPT-5Sep 110 citationsYesIs climate change real?
Yes. The evidence is overwhelming and comes from many independent measurements: - Global average temperature has risen about 1.2–1.3°C (2.2–2.3°F) since the late 1800s. - Atmospheric CO2 has increased from ~280 ppm (pre‑industrial) to over 420 ppm today, mainly from burning fossil fuels and deforestation. - Oceans are warming, global sea level has risen roughly 8–9 inches (20–23 cm) since 1900 an
- GPT-5Sep 100 citationsYesIs climate change real?
Yes. Climate change is real, and the dominant cause of the warming since the mid‑20th century is human activity—mainly burning fossil fuels and deforestation. Key evidence: - Global temperature: Earth has warmed about 1.2°C since the late 1800s, with the past decade the warmest on record. - Greenhouse gases: CO2 has risen from ~280 ppm pre‑industrial to over 420 ppm today; isotope and energy‑bala