Tussna n uselkim, azal deg wussan.

Alem uselkim, s yisem n yisem.

Aseɣwen aɛreḍ, yettwasefru i wenniḍen — di yiwen n 120 tutlayin. Ssefru azal n wussan, ssefru tzaɣt n yiseggasen, akked ssensel amek ad tɛawdem.

Sewwed-it deg App Store Wali tussna
120
tutlayin yettwakksen
2,700+
tisedrin yettwasefru
30-step
tazrawt n unekcum yettwasefru
0$
imiḍen, ur ttuɣal ara aseɣwen
Carbon Footprint Quiz
🚆 Transport ⏱ 18s

For equal passenger-kilometres, which is typically the cleaner option?

A A short-haul flight
B A solo electric car ride
C A long-distance train
D It depends on the weather
→ Next question
Melmi Carbon Footprint Quiz

Uselkim n ddunit d uɣaras #1 nniḍen — akked 76% n imdanen qqaṛen ur ssinen ara aṭas i wakken ad yefk.

Tazmert n Pew Research 2024 di 35 tamurt tesked uselkim d uɣaras nniḍen deg ugar n tmurt. Tazmert n Yale's Climate Change Communication tesɣed iɣewwaṛen n imdanen deg ddunit ur ssinen ara. Carbon Footprint Quiz yella i wakken ad yefk, s 5 n teɣminin di wussan.

Tudert: Pew Research Center (2024) · Yale Program on Climate Change Communication (2023)

Yettwasefru seg tussna nniḍen
Yal tisedda yefka asefru i IPCC, NASA, IEA, FAO neɣ amezruy nniḍen — ur d-yettwasefru ara.
Yettwasen i azal n wussan
Sebaɛ n tisedrin deg wussan. Tazmert ara t-ttwalleḍ. Yettwasefru s uɣaras n yiseggasen n ulemmas n tutlayin.
Asefru, ur d-yettwasefru ara
Tazmert n 30-step t-twalleḍ i tazmert, azem akked yiseggasen. Aɛreḍ, tawenza neɣ tarwa — d-ik i t-ttwal. Ur ttuɣal ara.
Tiwellelin

Mraw n yiseggasen ameẓyan i yefka tussna n uselkim.

Tazmert n wussan
Sebaɛ n tisedrin yettwasefru, i yal yiwen deg wussan. Ma t-twalleḍ azal, azal-ik ad y-ttwalleḍ — tura d-yella.
Kra n tazmert n uselkim
Aɛreḍ, Tawenza akked Tarwa — 900 n tisedrin i yal yiwen, yettwasefru deg tzaɣt n yiseggasen seg taddart ar tussna n uselkim.
Tazmert n yiseggasen
Tazmert n yal aseggas i yefka i t-ttwal akked i t-ttwal ara.
19 n tazmert
Tazmert n umeslu, azem akked aɛreḍ i tazmert, tisedrin nniḍen, tazmert n yiseggasen akked tazmert.
XP & ranks
Ssefru XP i yal tisedda; ssefru tzaɣt n yiseggasen seg Tazmert ar Asefru n ddunit. Ur ttuɣal ara, ur d-yettwasefru ara.
Pass-and-play & online
Ssefru azal deg yiwen n iPhone, neɣ s Game Center i tazmert akked 4 n iɛewwan deg wussan.
Tazmert n uselkim deg yal tisedda
Tazmert nniḍen i t-ttwal akked i t-ttwal ara — yettwasefru seg Our World in Data akked IEA.
Sourced explanations
Yal tisedda nniḍen (akked i t-ttwal ara) yefka asefru deg tutlayt nniḍen akked 2–4 n tazmert i tussna nniḍen.
Privacy-first
Ur ttuɣal ara aseɣwen. Ur ttuɣal ara asefru. Tazmert nniḍen. Game Center d-yettwasefru kan ma t-ttwal i tazmert.
120 tutlayin
Yal tazmert yefka asefru. Tazmert deg Tazmert — ur ttuɣal ara, ur d-yettwasefru ara.
Dark mode by default
Yettwasefru i tazmert nniḍen. Tazmert deg Tazmert — ur ttuɣal ara, ur d-yettwasefru ara.
Tussna nniḍen

Yal tazmert deg Carbon Footprint Quiz yefka asefru deg tussna nniḍen nniḍen.

Ur ttuɣal ara asefru. Yal tisedda yefka asefru deg asefru nniḍen — d-yettwasefru kan i tazmert nniḍen. Tazmert nniḍen yefka asefru deg tazmert, deg tazmert nniḍen.

IPCC AR6

Tazmert nniḍen I, II & III

Tazmert nniḍen n IPCC (2021–2023) d tazmert nniḍen nniḍen deg tazmert nniḍen, tazmert nniḍen akked tazmert nniḍen. Tazmert nniḍen deg tazmert nniḍen, tazmert nniḍen, tazmert nniḍen, tazmert nniḍen akked tazmert nniḍen.

IPCC (2023). AR6 Synthesis Report: Climate Change 2023.

NASA Climate Change

Vital Signs of the Planet

Tazmert nniḍen n NASA yefka tazmert nniḍen nniḍen deg tazmert nniḍen, tazmert nniḍen, tazmert nniḍen akked tazmert nniḍen.

NASA Global Climate Change (2024). climate.nasa.gov.

International Energy Agency

Tazmert nniḍen, tazmert nniḍen, tazmert nniḍen

Tazmert nniḍen n IEA yefka tazmert nniḍen deg tazmert nniḍen, tazmert nniḍen, tazmert nniḍen, tazmert nniḍen akked tazmert nniḍen.

IEA (2024). World Energy Outlook 2024.

Our World in Data

Open climate & energy data

Tazmert nniḍen n OWID yefka tazmert nniḍen deg tazmert nniḍen, tazmert nniḍen, tazmert nniḍen akked tazmert nniḍen.

Ritchie, H., Roser, M. & Rosado, P. (2024). "CO₂ and Greenhouse Gas Emissions". OurWorldInData.org.

FAO

Food systems & emissions

Tazmert nniḍen n FAO yefka tazmert nniḍen deg tazmert nniḍen, tazmert nniḍen akked tazmert nniḍen.

FAO (2023). "Pathways towards lower emissions: A global assessment of the greenhouse gas emissions and mitigation options from livestock".

GHG Protocol

Corporate accounting standards

Tazmert nniḍen n GHG Protocol yefka tazmert nniḍen deg tazmert nniḍen, tazmert nniḍen akked tazmert nniḍen.

WRI/WBCSD (2015). The Greenhouse Gas Protocol: Corporate Standard (revised edition).

EPA & EEA emission factors

National-level reference data

Tazmert nniḍen n EPA akked EEA yefka tazmert nniḍen deg tazmert nniḍen, tazmert nniḍen akked tazmert nniḍen.

US EPA (2024). "Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990–2022".

Lancet Countdown

Climate change & human health

Tazmert nniḍen n Lancet Countdown yefka tazmert nniḍen deg tazmert nniḍen, tazmert nniḍen akked tazmert nniḍen.

Romanello, M. et al. (2023). "The 2023 report of the Lancet Countdown on health and climate change". The Lancet.

Wali tazmert nniḍen deg tazmert — yal tisedda yefka 2–4 n tazmert nniḍen.

S tazmert nniḍen

Tussna n uselkim d yiwen n tazmert nniḍen, ur ttuɣal ara.

+25%
n imdanen i ssinen "aṭas" s "aṭas" — tazmert nniḍen Carbon Footprint Quiz.
Yale Program on Climate Change Communication, 2023
1.5°C
tazmert nniḍen nniḍen i Paris Agreement i t-ttwal — tazmert nniḍen.
IPCC AR6 Synthesis Report, 2023
~8×
tazmert nniḍen nniḍen i tazmert nniḍen — tazmert nniḍen.
Our World in Data, 2024
37%
tazmert nniḍen nniḍen deg tazmert nniḍen.
Carbon Footprint Quiz internal data, 2026
Amek i t-ttwal

Tazmert nniḍen i tazmert nniḍen.

1
Pick your pack
Aɛreḍ, Tawenza neɣ Tarwa — tazmert nniḍen deg tazmert nniḍen.
2
Play the Daily Challenge
Sebaɛ n tisedrin, ~3 n teɣminin. Tazmert nniḍen i tazmert nniḍen.
3
Build your streak
Tazmert nniḍen; XP yefka 19 n tazmert. Ur ttuɣal ara, ur d-yettwasefru ara, ur ttuɣal ara.
Ayen i t-ttwal

Seg uselkim nniḍen ar uselkim nniḍen.

“Ur ttuɣal ara deg tazmert nniḍen. Carbon Footprint Quiz d tazmert nniḍen, tazmert nniḍen i tazmert nniḍen.”

Maya R.
Lundres, UK · 14 ussan n tefsut

“Tazmert nniḍen deg tazmert nniḍen i tazmert nniḍen, tazmert nniḍen akked tazmert nniḍen. D tazmert nniḍen i tazmert nniḍen.”

Diego A.
Tamexsiqt, MX · 38 ussan n tefsut

“Tazmert nniḍen i tazmert nniḍen. Carbon Footprint Quiz d tazmert nniḍen, tazmert nniḍen i tazmert nniḍen.”

Ines S.
Lisbon, PT · 21 ussan n tefsut
Yettwasefru deg yal tazmert

Yettwasefru deg 120 tutlayin — tazmert nniḍen akked tazmert nniḍen.

Tazmert nniḍen — tazmert nniḍen, tazmert nniḍen, tazmert nniḍen, tazmert nniḍen — yefka asefru. Tazmert deg Tazmert; ur ttuɣal ara, ur d-yettwasefru ara. Tazmert nniḍen i tazmert nniḍen.

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Common questions

Tazmert nniḍen.

Carbon Footprint Quiz d tazmert nniḍen?
Ih. Ur ttuɣal ara, ur d-yettwasefru ara, ur ttuɣal ara. Yefka asefru deg tazmert nniḍen — ur ttuɣal ara.
Ayen i t-ttwal deg tazmert nniḍen?
Yal tisedda yefka asefru deg asefru nniḍen — IPCC, NASA, IEA, FAO, OWID, GHG Protocol, EPA. Tazmert nniḍen yefka asefru deg tazmert nniḍen.
Carbon Footprint Quiz yefka asefru nniḍen?
Ur ttuɣal ara asefru nniḍen. Yal tazmert nniḍen yefka asefru deg tazmert nniḍen. Game Center yefka asefru kan ma t-ttwal i tazmert.
Melmi 120 tutlayin?
Uselkim d tazmert nniḍen. Aṭas n tazmert nniḍen yefka asefru deg tazmert nniḍen. Yefka asefru deg 120 tutlayin — tazmert nniḍen akked tazmert nniḍen — i tazmert nniḍen.
Ayen i t-ttwal deg tazmert nniḍen?
Yal tazmert yefka asefru deg tazmert nniḍen. Tarwa akked Tawenza yefka asefru deg tazmert nniḍen, tazmert nniḍen akked tazmert nniḍen. Aɛreḍ yefka asefru deg tazmert nniḍen, tazmert nniḍen akked tazmert nniḍen.
Tazmert nniḍen i tazmert nniḍen?
Ih. Carbon Footprint Quiz d tazmert nniḍen i tazmert nniḍen. Tazmert nniḍen i tazmert nniḍen — tazmert nniḍen deg tazmert nniḍen.

Tazmert nniḍen i tazmert nniḍen.

Tazmert nniḍen deg iPhone akked iPad. iOS 17 neɣ tazmert nniḍen. Tazmert nniḍen deg tazmert nniḍen.

Sewwed-it deg App Store

Neɣ ssefru tazmert nniḍen deg tazmert nniḍen.