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Sustainability Excellence Associate and Sustainability Excellence Professional Energy, Environment & Agri-energy Transitions: practice questions

Sustainability Excellence Associate (SEA) and Sustainability Excellence Professional (SEP) · International · Green Business Certification Inc., with the International Society of Sustainability Professionals as education partner

Original practice questions written to the published syllabus · not past papers
7worked here, free
15written to this exam in this subject
9syllabus units

What this subject covers

Energy systems and their environmental footprints, and the transition in agriculture: fossil and renewable sources, energy-environment nexus, energy efficiency and auditing, and agri-energy options. Solar, wind and bioenergy engineering is in the Agricultural Engineering track (renewable-energy-sources, bioenergy-systems); this subject covers the environmental assessment and policy.

In the exams: GATE ES Section 9 (energy and environment); ICAR AICE subject 71 Unit 6 (whole unit); UGC NET Unit 5; BEE energy auditor exam

Where the 15 questions fall

How our questions for Sustainability Excellence Associate and Sustainability Excellence Professional spread across the units of Energy, Environment & Agri-energy Transitions. Difficulty: 1 easy, 11 medium, 3 hard.

Electrification and decarbonisation pathways for farms3
Just transition in energy3
Energy use in agriculture and food systems2
Agrivoltaics and land competition2
Global energy resources and reserves1
Renewable and non-renewable sources and their impacts1
The energy-environment nexus1
Energy efficiency and energy auditing1
Bioenergy sustainability: land use, food-versus-fuel, carbon debt1

7 practice questions, worked

Choose an answer, then open the working. Each explanation says why the right answer is right and why the others are not.

1 · Renewable and non-renewable sources and their impacts · medium

What is a growing environmental issue for solar photovoltaics as installed capacity ages?

  1. Radioactive contamination of soils beneath solar parks
  2. End-of-life panel waste after 25–30 years, needing recycling
  3. Acid mine drainage from silicon used in panel manufacture
  4. Large methane emissions from panels during their operating life
Answer and working

B. End-of-life panel waste after 25–30 years, needing recycling

Panels reach end of life after 25–30 years, creating a large waste stream containing glass, aluminium, silicon and metals. They do not emit methane or radioactivity in operation.

Further reading: See the manual sources: IPCC AR5/AR6 WGIII energy chapters, IEA, FAO (2011), BEE guide books and the studies named in the explanation

2 · The energy-environment nexus · medium

Which example illustrates a synergy in the water–energy–food nexus?

  1. Manure biogas giving fuel and fertiliser, cutting methane
  2. Biofuel mandates that raise demand for irrigated cropland
  3. Free farm power that encourages over-pumping of aquifers
  4. A hydropower dam that reduces downstream floodplain fisheries
Answer and working

A. Manure biogas giving fuel and fertiliser, cutting methane

Biogas links waste management, energy and nutrient recycling. The other examples shift burdens from one sector to another.

Further reading: See the manual sources: IPCC AR5/AR6 WGIII energy chapters, IEA, FAO (2011), BEE guide books and the studies named in the explanation

3 · Energy use in agriculture and food systems · medium

How did the natural gas price spike of 2021–2022 affect food systems?

  1. It raised nitrogen fertiliser prices, passing energy costs on to food
  2. It lowered fertiliser prices because gas is not used to make fertiliser
  3. It had no effect on agriculture because farms use only diesel
  4. It cut food prices by making refrigeration cheaper everywhere
Answer and working

A. It raised nitrogen fertiliser prices, passing energy costs on to food

Gas is the main feedstock and fuel for ammonia, so gas price spikes raised fertiliser costs and pressured food prices. The other statements are wrong.

Further reading: See the manual sources: IPCC AR5/AR6 WGIII energy chapters, IEA, FAO (2011), BEE guide books and the studies named in the explanation

4 · Agrivoltaics and land competition · medium

Why have some countries set minimum yield or height rules for agrivoltaics?

  1. To ban all livestock grazing beneath solar panels
  2. To ensure solar panels never produce more than half the farm's income
  3. To stop developers claiming dual use while farming only token crops
  4. To require panels to be mounted below crop height
Answer and working

C. To stop developers claiming dual use while farming only token crops

Rules define genuine agrivoltaics so that agricultural production remains significant. They do not cap income, ban grazing or require low panels.

Further reading: See the manual sources: IPCC AR5/AR6 WGIII energy chapters, IEA, FAO (2011), BEE guide books and the studies named in the explanation

5 · Agrivoltaics and land competition · medium

Which siting option for solar power avoids competition with farmland?

  1. Floating solar on reservoirs and canal tops
  2. Converting irrigated paddy land to solar parks
  3. Removing orchards to install fixed-tilt arrays
  4. Clearing forest to create flat land for panels
Answer and working

A. Floating solar on reservoirs and canal tops

Floating, canal-top and rooftop solar use no new land; clearing forests or converting productive farmland increases competition and impacts.

Further reading: See the manual sources: IPCC AR5/AR6 WGIII energy chapters, IEA, FAO (2011), BEE guide books and the studies named in the explanation

6 · Bioenergy sustainability: land use, food-versus-fuel, carbon debt · medium

Which measure does the EU Renewable Energy Directive use to limit the risks of crop-based biofuels?

  1. Mandatory use of palm oil to replace rapeseed in biodiesel
  2. A ban on all second-generation biofuels from crop residues
  3. Exemption of biofuels from any greenhouse gas savings test
  4. Food-crop caps and phase-out of high-ILUC feedstock
Answer and working

D. Food-crop caps and phase-out of high-ILUC feedstock

RED sets GHG savings thresholds, excludes high-carbon-stock and biodiverse land, caps food and feed crops and phases out high-ILUC feedstock such as much palm oil. It promotes, not bans, advanced biofuels.

Further reading: See the manual sources: IPCC AR5/AR6 WGIII energy chapters, IEA, FAO (2011), BEE guide books and the studies named in the explanation

7 · Just transition in energy · medium

Procedural justice in an energy transition concerns

  1. who takes part in decisions, including affected communities
  2. how past environmental harms are repaired
  3. whose identities, knowledge and needs are recognised
  4. how the costs and benefits of the transition are distributed
Answer and working

A. who takes part in decisions, including affected communities

Procedural justice is about participation and fair process. The other statements describe distributional, recognition and restorative justice.

Further reading: See the manual sources: IPCC AR5/AR6 WGIII energy chapters, IEA, FAO (2011), BEE guide books and the studies named in the explanation

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Read the subject

Energy, Environment & Agri-energy TransitionsThe full study manual, free Sustainability Excellence Associate and Sustainability Excellence ProfessionalFormat, sections and how it has changed

More Sustainability Excellence Associate and Sustainability Excellence Professional practice

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Energy, Environment & Agri-energy Transitions for other exams

GATE · IndiaICAR AICE-JRF/SRF · IndiaUGC NET · IndiaGARP Sustainability and Climate Risk Certificate · International

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