Aseɣz aɛreḍ, yettwasenfuɣen, i d-yeqqim deg umkan-ik — deg yiwen seg 120 tutlayin. Sseɣ adrar n wass, sseɣ tza n temsida, sseɣ ad tferkem ayen i d-yellan.
For equal passenger-kilometres, which is typically the cleaner option?
Tadamsa n Pew Research 2024 deg 35 tamurt t-twafaq ar umalu d ameksa n temsida deg ugar n temura. Tamsa n Yale n Umalu n Umalu t-twafaq ar tegmatt n imezdaɣ deg ddunit iqqaren ur ssinen ara. Carbon Footprint Quiz yella ad yessefru, s 5 n tesdatin s yan.
Tudert: Pew Research Center (2024) · Yale Program on Climate Change Communication (2023)
Ur d-yella ara. Yal tisedra i d-yettwasenfuɣen s tazwara n umalu — i d-yettwasenfuɣen s tazwara n umalu. Tazwara n umalu i d-yettwasenfuɣen deg tazwara, deg tazwara n umalu.
Tazwara n umalu i d-yettwasenfuɣen s tazwara n umalu, tazwara d tazwara n umalu. Carbon Footprint Quiz i d-yettwasenfuɣen s tazwara n umalu, tazwara d tazwara n umalu.
IPCC (2023). AR6 Synthesis Report: Climate Change 2023.
NASA's earth-observation programme provides the long-running CO₂, temperature, sea-level and ice-sheet data series used in our questions on climate trends and feedbacks.
NASA Global Climate Change (2024). climate.nasa.gov.
The IEA's annual energy and emissions data underpin our quizzes on electricity grids, heat pumps, EVs, gas vs. renewables and the energy demand of data centres.
IEA (2024). World Energy Outlook 2024.
OWID's compilations of per-capita emissions, food carbon footprints, transport mode comparisons and energy mix are used for accuracy-checking every numeric figure shown to players.
Ritchie, H., Roser, M. & Rosado, P. (2024). "CO₂ and Greenhouse Gas Emissions". OurWorldInData.org.
Our food, diet and land-use questions cite the UN Food & Agriculture Organisation's analyses of livestock emissions, food loss and dietary footprints.
FAO (2023). "Pathways towards lower emissions: A global assessment of the greenhouse gas emissions and mitigation options from livestock".
Questions on scope 1, 2 and 3, supply-chain emissions and corporate climate disclosures map to the World Resources Institute / WBCSD's GHG Protocol standards.
WRI/WBCSD (2015). The Greenhouse Gas Protocol: Corporate Standard (revised edition).
Country-specific figures (e.g. household electricity carbon intensity) cross-reference the US EPA, European Environment Agency and DEFRA UK conversion factors.
US EPA (2024). "Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990–2022".
Our health-impacts and heat-mortality questions draw on the annual Lancet Countdown report on health and climate change.
Romanello, M. et al. (2023). "The 2023 report of the Lancet Countdown on health and climate change". The Lancet.
Wali tazwara n umalu deg tazwara — yal tisedra i d-yettwasenfuɣen s 2–4 n tazwara n umalu.
“Ur ssineɣ ara amek i d-yettwasenfuɣen s tazwara n umalu. Sseɣ tazwara n umalu i d-yettwasenfuɣen s tazwara n umalu.”
“Tazwara n umalu i d-yettwasenfuɣen s tazwara n umalu. Tazwara n umalu i d-yettwasenfuɣen s tazwara n umalu.”
“Tazwara n umalu i d-yettwasenfuɣen s tazwara n umalu. Carbon Footprint Quiz d tazwara n umalu i d-yettwasenfuɣen.”
Tazwara n umalu i d-yettwasenfuɣen — tazwara n umalu, tazwara n umalu, tazwara n umalu. Sseɣ tazwara-ik deg Tazwara; ur d-yella ara. Tazwara n umalu i d-yettwasenfuɣen s tazwara n umalu.
Tazwara n umalu i d-yettwasenfuɣen. iOS 17 neɣ i d-yettwasenfuɣen. Tazwara n umalu i d-yettwasenfuɣen.
Sider deg App StoreNeɣ sseɣ tazwara n umalu s tazwara n umalu.