Green Tech & Climate Tech
Use software, data and engineering to cut emissions and adapt to a changing climate.
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What is Green Tech & Climate Tech?
Green tech (or climate tech) covers technology that reduces emissions or helps people adapt to climate change: renewable energy and smart grids, battery and EV systems, carbon accounting software, climate and flood modelling, precision agriculture, and sustainable (energy-efficient) software itself. Tech workers contribute through data science (forecasting solar output, measuring emissions), software engineering (energy platforms, ESG reporting tools), IoT (smart meters, sensors) and sustainability analysis. For Bangladesh — one of the countries most exposed to climate risk — these skills are both a career path and a way to make real local impact.
Why it's trending now
- LinkedIn's Global Green Skills Report 2025 found green hiring grew almost twice as fast as the supply of workers with green skills (2021–2025), and the technology sector saw the fastest growth in green hires.
- AI is driving a surge in data-centre electricity demand — the IEA projects data-centre electricity use to more than double by 2030 — creating demand for energy-efficient computing and clean-energy integration.
- Mandatory climate disclosure rules (such as the EU's CSRD and ISSB standards) require companies — including Bangladeshi garment exporters selling to Europe — to measure and report emissions.
- Bangladesh has a large off-grid solar sector, ongoing renewable-energy targets and major climate-adaptation programmes, all of which need data, IoT and software skills.
Job roles
Common job titles you'll see in listings, and what each one actually does.
Climate / Energy Data Scientist
Forecasts energy demand and renewable output, models climate risk and analyses emissions data.
Sustainability / ESG Analyst
Measures and reports a company's carbon footprint (Scope 1, 2 and 3) and tracks reduction targets.
Energy Software Engineer
Builds platforms for smart grids, EV charging, battery management, solar monitoring and energy trading.
Carbon Accounting Software Developer
Builds tools that collect activity data, apply emission factors and produce audit-ready reports.
Green Software / Sustainable IT Engineer
Reduces the energy and carbon footprint of software, cloud workloads and data centres.
Climate GIS & Remote Sensing Analyst
Uses satellite data and GIS to map floods, land use, crops and climate risks.
Skills from beginner to advanced
Tick skills as you learn them — your progress is saved in this browser.
1Beginner
Start here2Intermediate
Job-ready core3Advanced
Stand outMost-requested languages & tools
What employers mention most often in current job listings for this field.
Languages
Tools & platforms
Most climate-tech data roles want Python + SQL + a domain (energy, agriculture, finance). ESG analyst roles weigh Excel, reporting frameworks and communication more than coding.
30/60/90-day roadmap
About 1–2 hours a day. Tick goals as you complete them.
Days 1–30
Climate and data basics
Milestone: A short analysis of Bangladesh's (or your country's) energy mix and emissions trends.
Days 31–60
Applied climate data
Milestone: A carbon calculator or forecasting project with a dashboard.
Days 61–90
Specialise and connect
Milestone: A capstone project and a network connection in the climate-tech community.
Free learning resources
All free to start. Some courses offer paid certificates — auditing is free.
- Green Software Practitioner courseGreen Software Foundation · Course · learn.greensoftware.foundationFree
- Climate Change AI — summer school & resourcesClimate Change AI · Guide · climatechange.aiFree
- Google Earth Engine tutorialsGoogle · Docs · developers.google.comFree for non-commercial use
- GHG Protocol standards & guidanceGHG Protocol · Docs · ghgprotocol.org
- Our World in Data — Energy & CO₂Our World in Data · Guide · ourworldindata.orgOpen data
- IEA — Energy and AI reportInternational Energy Agency · Guide · iea.org
- QGIS Training ManualQGIS · Docs · docs.qgis.orgFree
- PyPSA energy system modelling docsPyPSA · Docs · docs.pypsa.orgOpen source
- Climatebase — climate jobs & fellowshipsClimatebase · Practice · climatebase.org
- Terra.do / Work on Climate communityWork on Climate · Practice · workonclimate.orgFree community
Portfolio project ideas
Build these in order. Put each one on GitHub with a clear README and a short demo.
Household carbon footprint calculator
easyA web or spreadsheet calculator using local electricity and fuel emission factors, with tips to reduce emissions.
Bangladesh energy-mix dashboard
easyVisualise how Bangladesh's electricity generation and emissions changed over 20 years using Our World in Data.
Solar output forecaster
mediumForecast rooftop solar generation for a city using weather and irradiance data and evaluate the forecast error.
Flood-extent mapper
mediumUse Sentinel-1 radar data in Google Earth Engine to map monsoon flood extent and estimate affected areas.
Scope 1–3 emissions platform for a garment factory
hardA multi-user web app that collects energy, fuel, transport and supplier data, applies emission factors, and produces CSRD/ISSB-aligned reports with audit trails.
10 interview questions
Try answering out loud first, then open the short model answer.
1What are Scope 1, 2 and 3 emissions?
Scope 1: direct emissions from owned sources (fuel burned on site). Scope 2: indirect emissions from purchased electricity/heat. Scope 3: all other value-chain emissions, such as suppliers, transport and product use.
2What is an emission factor?
A coefficient that converts activity data (e.g. kWh, litres of diesel) into greenhouse-gas emissions (kg CO₂e).
3What is CO₂e?
Carbon dioxide equivalent: a way to express different greenhouse gases in terms of the warming impact of CO₂ over a set period.
4Why is forecasting important for renewable energy?
Solar and wind output vary with weather. Accurate forecasts help grid operators balance supply and demand, reduce backup fossil generation and plan storage.
5How can software be made greener?
Use less compute (efficient code, right-sized infrastructure), run flexible workloads when and where electricity is cleaner (carbon-aware computing), and reduce data transfer and storage.
6What is a life-cycle assessment?
A method to measure the environmental impact of a product across its whole life — raw materials, manufacturing, transport, use and disposal.
7What is the difference between mitigation and adaptation?
Mitigation reduces emissions to limit climate change; adaptation reduces harm from climate impacts already happening, like floods and heatwaves.
8How would you validate a company's emissions data?
Check data completeness and sources, use consistent emission factors, reconcile with invoices/meter readings, flag outliers, and document assumptions for auditors.
9What is a smart grid?
An electricity network that uses sensors, communication and automation to balance supply and demand, integrate renewables and respond to faults quickly.
10How can satellite data help climate work?
It provides consistent, large-area measurements of floods, deforestation, crop health, urban heat and emissions sources, especially where ground data is limited.
Resume bullet templates
Replace the [brackets] with your real numbers. Quantified results stand out to recruiters.
Built a carbon accounting tool that calculated Scope 1–3 emissions for [N] sites, cutting reporting time by [X]%.
Developed a solar generation forecast model with [X]% MAPE, improving dispatch planning for [N] MW of capacity.
Mapped flood extent for [region] using Sentinel-1 data in Earth Engine, supporting relief planning for [N] households.
Reduced cloud compute emissions by [X]% through rightsizing and carbon-aware scheduling of [N] batch jobs.
Prepared [CSRD/ISSB/CDP] disclosures covering [N] facilities, achieving [score/compliance outcome].
Formula: action verb + what you built + tools + measurable result. Only claim numbers you can explain in an interview.
Salary & demand
Ranges vary by company, city, experience and negotiation. Always check the linked sources for the latest figures.
Bangladesh
Tk 15,797 – Tk 63,252
gross per month
Paylab has no green-tech category, so this uses its IT Consultant range (10th–90th percentile, gross monthly) as a proxy. Sustainability and ESG roles at large RMG exporters, international NGOs and development agencies may pay more.
Demand
Growing. RMG exporters need emissions reporting for European buyers; solar companies, NGOs and development projects hire data, GIS and IoT talent.
Remote (from Bangladesh)
$20,000 – $70,000
per year
Estimate. Climate-tech start-ups and NGOs hire remote data and software talent; data scientists earn near Arc's $42,875 Bangladesh remote average, senior engineers more.
Demand
Moderate. Mission-driven start-ups hire globally; a climate-focused portfolio helps a lot.
Global benchmark
$107,110
US median, Environmental Engineers (BLS, 2025)
Climate-tech software and data roles usually pay closer to software-developer and data-scientist medians ($134,040 and $120,230). Projected growth: +6% (2025–35, faster than average).
Demand
Growing steadily. Green hiring outpaces the supply of green-skilled workers, according to LinkedIn.
How to read these numbers: Bangladesh ranges are Paylab's 10th–90th percentile gross monthly salaries (top product companies often pay more). Remote ranges are CareerPulse estimates informed by Arc's Bangladesh remote-developer data. Global figures are US medians from the Bureau of Labor Statistics (May 2025 data, 2025–35 projections) unless stated otherwise.
Start today checklist
Small, concrete actions you can finish today. Momentum beats perfect plans.