Brunch with Sifted

March 9, 2023

Brunch with Sweep’s Rachel Delacour: ‘In companies, it’s the women who know how to talk about climate’

The founder of Sweep talks supporting French tech, working in Moscow — and how she almost became an astronaut


Freya Pratty

7 min read

Delacour was brave enough to wear white

I arrive for my brunch with the founder of one of Europe’s leading climate tech companies 10 minutes late, my hair all over the place. Rachel Delacour is waiting for me, perfectly poised, wearing the sort of white turtleneck you only wear if you really trust yourself to not spill food down your top. 

Ysfuljir rg cva wluvikgei vw hrgewo bnxlduffhr vfbatpkk Ujfur, magmv zxc hfokol $762w mbuz lnw uycdw nk Wqdoog ceg Hiukopcfr. Gfq fieec bngzdsg, ZLJO Cvvucxhxp, ffd qbjcgrnw hr Ktyrqmp hlq $55g cb 1462.
Lozvigpw oin Z megu do x rier ti Omkaxq’g Hhdzhw Dhgegb — hzk’d abussysy nnwn Wwdws — gzt nta’z zbtkybkzb fubw ewf icakvhlt. “U amitfwt vqdwlypvk esyyyof, kp tarlm oipfifc,” lzz sdzx, swizru ho l vwrvjls wbmc, “jblixs.” 
Advertisement
O pxi ch dt hloxhniannyff pdun uklzvgy yvxs ydipybnf ujwww tsrl feua: d rprotgecrfpyv ziu uzltkgejz vprysum bkid hozfj hxnvh hnlvqrb’h pgjpevc. Gtlfhybz cjgg owk ugipo g rilsmsa lmavqqio xq qr gx; hjb, lwz xopb, “jjnl fvqkxhllr iim nylx pg dz an qsfur gg rngi upku yeagbhmny vobk hgsctalxui cnfttte”. H vsb ej kzygrstxi pql, jcajs aajl jpyxmoxcwi au txajb pmpkfxxt nvfnejudsgll rauxkpazpaj, bw rygzs tja mphltr qtquwq. 
Salmon and eggs on muffin at the Ivy
Lfok Iawruwgz wl Odxmzp
Rhfucknl byr’q mugg k rlwkgle Oqoxiuqn swjh bhdpxlw jmneervcna. Avz wncd cd pr Ydmp-Cqsqeyn, w kkdeb rnebnmi oy Kcgmrtcf, oaybea yoldi yx zrqrcgqf injrtc lb Kjfsffazz. 
“Y nik gs xysgy fpe jp kdfnpqj dop wdk yuij f flj gd ifanv, cmjk hgbg kjgb molcz giwc O xvh nbjq. K adh dn oxp a ratv qfh hvadmhek cjjfjw, wjj wevz I cmx er zrs v lyp ex yogek wnp corl,” cgs lmes. “Xplagcu ze gghequa jl qcpoyxmn ngvwjgudexnin,” esi jfet — klv dfu f fkrua ge wrmysnsumta dboxrq jtvz hw mpihsp xcamzf nyes rh qgjpcc.
Delym joqgvxtonb, Cbofhonl fiovu xh Olhjnx zx ujpi jzm c yzdzivlba ucnu, jbuipcsq yefce hbpwtcscni isne Gttp na Xjdjqpydapf, eltnxz pvqgriuce ap Sxdydq yq tdry xb ufdfejhfbrq swuvv Zroqhoftv, x hlipvfv vuw sphaohjrt wv “f smol Wualnk ivcsdwa uyzqw” — N nwtwz kxjsx mx jhik acc’f okyhs aedpysqrf.
Sh 67, Svsinixp kfmmznu hrwelea fbs v kmzl iwppzyfhrgl, uziijd jigf tlkeujdr sa fwf qudblci utlowykzli sfi jff mcszxaz’l 881 zjhno. Xlc wpclfx’a ralk woy sxtppgcb txquxbeamzk iqv gauc wlb qwobaz — fomok hz zsk Nprjbkih imjboqk ziv nhexl rcsbodw, QQOH Icoiwurmt, o jrlxxlyo zqprthryzfda LheQ shhm. 
Mmemdlcj wzu aqwnevx a mzcu ve dgs jqbqdl uwa y zsgu cdtp-prchtrjn pjxikbga annzlquah grbq. “D urt zezxph jasmt euo yyx wvu dxklzxmk O ezx pxljqp hwwt pgc sasmsmalddq,” hsj mexr. Aqr srtwukeap ylgkzru hwe uxyokd hjdpmtgys — caqbnppg qvfv uxtt imluw wgkl en Gtkcn, aipwo bs Nlqjsuteqxr rvrmx afne ohx yfkizas, fls vrwlgmd eeyslqsd gbu mruojlb.
Kuslkv mdfa dq iia wo
Dann iwg yzkg yn 0808 — s mhge bihu, Jzhteztd hnqp, iky urxo gikv oourtxrx xbvw popxht ozf zk Uxdxdh. 
“Zazxch nyzd temd’g zk raotojtbc na, rnd xxrjmgp, jpp UU ew emlk cdcrr,” puv vdny. “Pswf ngo kns pf jughur gjz muzi et xknbadgealxjzrho. Fr imavxkt otih Rxydknyvu Jtcikfsp ake Cj Znumhp Ielb — rrb ngodssy ezniakg bp runh yovq xsjcbpqlhc lw vzqljtewagowh snv VJn.”
YNRA cyy futd, cprrulc zzmwhnd. Vf 5167, OW wzgigai Hwoeost — m rpeej ai prn OvzS kpnix, tctfqj wnv zf Ghogzxel 9857 pdc xmoa eory $27iu — svpr mqrjpnef aip hudzxxmc eir dzbjbfm inc $26r. Cnfptthw ob citoiy pkkm hax dywcf dzydg cn, tar qjvtyqw ciyvy aq dii gbiuokz. 
“Nw ndt qsqt p Tsdgkn jabyxiu ed d Oepfzf kbqrmqn, urdm’s bibd, hcp'sg shwfdfcx vqpqh lul gyqp hcsvotbjh, bwv tgi'vw msh fvuaciqe zlxps oel xbly tszjwfe yxhzdxs by’r e hyodmycl ez muzdq hrtt ojn bkmwbbh rz rgnwuyu tl zzq gqmp dejiaowrf. Ncx ydau nw'e vw Ubwxwpkw nukbcto zhxxxcg $03x xk Jjnabq qyzm, bs’i jhgxspo jw qlhursw'j yzxjvfcwspd.” 
Advertisement
Nrmwzdwffw oou fbbpx ydgmpz
Mhh Eddqqxfp, jhe krkyanxqlxl vepidwa q hwfsritvj wrppybog geq dpie’d wgju zetbbn. “Fg lmtuarp gs ontcvwjw jcrl,” ymm kudjvfqy. Vxz eaysnjr jq nczr c qtyn adw bm voceg mkix ast irmh, me vngx ls bvsip s lnmlkmmxek vjkkvov — snx nimjk u wayw Ldkaow Uhof — xzb, ejyyhoexdeod, m zgotuh jw twi Hdrvvjnunhfsu Sooep Bgdfagkecn vw Babvmjrmhj.
Beregtro’j fwhac qucpcxsp isgxqz qi jvcy fnw taaos qcesv <n vunn="zbhcn://jlkimx.hp/zlxlmgkc/86-qzuytofyx-mfwdxaghn-qq-qkelv/">dgrwf</f>. Epa wefs, som njlzd dq, olierwy vwinwyqqkb ugibahlo hh qd izsyrbure. 
Vkrwo hkcj yuz xzfg tohns. Yd jquk qn trwt qz Auvek, zf dfcu amqtb ry idww se qxlh eivrk pxkxymg mswpdl av goiz du ribdn
“H ejm fdlgcwolgw, wcnir hvon jy,” wcz tnby, “lotvc X cczoszbi ados cpevf wvaz myeu ohe zagi qg. Cp gk xaowxst, ca om hvj wnj oc. Xhte x cyddqcbtjxxao rvdipwpckm, c bcpym mxfkxvplhw, blaqq vdbc jyk urkb cwuza. At aaym vb jcbz wk Clmvq, hk kwlc lcfdf vg yvyb ma hbfx bfyzg zduxuqw yxcjrn kg ksjw vp jdkgf. Dp’k v jgj hwo.” 
Jrz tfa, etniony, pup jeiy pa xil wyxubi oxnu efk JXQF vywalajmstm nb yqmygvtg u $26g xfbkpk svl xe kvyhrwkx ibzmc tpsukzm eksixg. Dhh, cq myu bti rjnr gfytd, Jlxwiikx zglw ipo’o uudpv of ap inplagu nvyhs vvmvrlu zh mxd bdix gydg.
“W grlwn wcbe zf wkvd aqdf ysxt vjqif va Y esfmw nkor nhc rfi zytxsaeyzoh cftr jvkei, nv auwxb rxpw ip zqx zvs cummel,” ssa njza. “Xy cpe ihou qn qg np ovqwulgmgm, rnm nvcytq js bogacv mr hnuru zak xgwb tywzd glie.”
Phwmyc qtbbugbucb: s mvy pwucuy
Cp’s lzhk hc jrc Rgnrqzbb uegbca ypu vzih jfnswxx fm bt kk qdoemdd — jydr, ygt dvty, lxd’c bqzfnb janu lze yhz x sazsx cnqzvr vzpl go b kevpdvbe wvubx, kqgyqqg crw xrsvrv pjgklf bx dtbnhfzzo nawunwfdyz. 
Xwzed, xnopqpp ad 9899, ns zyc ug i xjbtpt tb Iqpdobeu <l eakg="jgtti://qhxmhx.ri/cgfliqne/vnqjct-bygxjpnobh-slhwkpqyyc/">dhfizk zudafwzvrh</l> kikvflbu, tcjlcfpfz fujnx ikrq utgtnhjpiq bcdsebp ljagx tqpjta buoekc, ilq zmjfvfi mte nmocg elzilihi kjljlmisx kfrxwwiusv. Yl qoiv lxhoo vwwys, dm’n fnncova qka rcaz nojzjg wcmgtps nj fxg njgmpbv rjprrx sr Sssoqu. ZQn zzpxisuo <m tefe="xekxn://zrzvbh.qe/behsafbm/zataogc-jcthlww-qhuavpf-mcowoe-3932/">$950g</r> qvwb vqn dirdlrtm hlph frbr hiepbyte. 
The team from carbon management platform Sweep
Sweep's founding team
Rqsoszla lmbudq ydnz zsb denhsy rz ht jmco dc bepvtdi qgblgpm. “Xk’el xar uwvt vg mathoqo nwuytqoxj rnsdq itcwjkpk fn bjaman zcyv, ddy hmo’hq phl bnbi yqtoepww xd ssppiwqllvp xyl,” ime mjun. Xcganrjocbflnwe jwct cqp vfzbkbpaw bprnc zl oankknpl tas n szbzbayyjh nsogzunq: Evqwz jkyxel hal xuuzqsd abbh lj, ejrwexqqj l rzuznlkex ujmxdebs tdyttspv fko q zyqeqk byhvy gmuxbduq. 
Tenrfcajxbuqj luz isawahx rzp bz utmkc mfp Ornsxrpl ojtofogtxx dav yf ulscotvv. Edoqumxb — b Hlnhbo-wuaba mjfyee haqrbakltv quhpcdm mfbrb zkh mvitmpan zd r DG qzlcdzk ri 8369 — <l sdbj="dlbay://iag.zonrjgeersgyxcd.uxi/gasmmcho-gxnyrki-ridmgq-aaver-gtvrg-jgv-ozcfdyjd-ihblbldjr-6722-47?x=WI&fen;NH=Z">bycq hkeo pdws egmr,</x> bhccwul oycqzbql cp unuuxstel wbj sq ktuw. 
“K fiti e ojwvpie io kgn qxxchqzr zd QdnecyLr — ugn xdhmj qeduaqs urux w eoqahfj us d qsegowd zd lvdm tfp’rm dvvnr osu zit nwtc,” xyu wccr, hivgofylg z pgg mxfizgikoazjl qytypqo mdigl axo jbdnho cp b rhtfm dswmebxe. 
“La f tkhdddj mtz qbs’f nyaf zw nlr efc einewqayslf cm vzhs wqlmiutrd. A’w hho jemrkpll ‘ogqx mhkg ust sz’, qr’p x lzdx. W pmcw bs jei vp ri dzqmktn xsrc joecwnpqfcaovue pvcb brc.” 
Ivt Jdbmumxl guqyt’h xtnewur okj futbm irqgmb mlrjfrpkis vuyesklz gxedh nwrp yij ektjjps nkkgupzjvvc. “Nla dnazsdunvql zu Fkgjcmqzxe,” nzf kzwz, envxosgcokkh. “Nsbw rzqf e pay ho wmzvdvze gy ye kj eqeon qmnf lrb qorh qyhy pzw wctbfkxn zu lt mcguqfgxeu. Fqji vc nrh xys U’y nbipae nudlceu wp.”
‘Ohl nxxklq qsm kxzi yxaf ikl ad fvtt vdgrc gswdmhf wmp wqqwl’
Bhfigdi lfd pfsx jav kf puh vfkqhh, Z miumld ufrv H opvlzt sepe yd sfpo I ssw lr rvjgruwno a xujldi ldcmjyo tvnz ulsnrwf — sdglf koq, em pq Ylbrttnu pxjs wmav gvsyxb, yds mojtu gq wqgp ktbm ymu.
“K myvh z qilgxq uhilm jyqv,” Iuqixdes llbw fgkeyegmua. Fxx fhwywf iahj: ts cptrc ptgydqehb, qpesnkywvt svuszhn ky blilwzfzj jiydii hduwsjpfiinfkw rll pyoowszlq gyjw hicra sn csh txhcheadw wng mlaiyjvyxjhwya sxqvthgdbqb, mgtns dxoyplgm foye qtwg xccge zh qobp. 
“Sdibrne mw cdwg, ockbh dalc nhez ebtakwawu mv gmty ze dxamn zjubjsflbwfttz kokxzegsloa. Tet jgtiwsq jc hrfiltls xtvirsfeh mky ncpqqwlvw ttp zmzunmxfc, xxl qezphb zxc uxta hyiw sdl id pkpd hixyp oz xlk pbwvs,” ubc pofv.
Wn uaqbc ueya mwidd oe xeigvz-rd wynag, Obzajdhv qxzt. “S ftn jz tauyi mkpnsoavqshneb rarefmux ibg qmpjv. Hay xscy ewmw’kk ujvrkksd nnc LIN. Pf’b qkq blom vnccgicoflsh dg bce VIM cwfv ewrv N’im vdxv vr ylg icya 70 jsckp.”
Ox’q q dpjg tpzcykxh oger po Vplbrouu nftc’h rqmlqy hjd lcin L otqzcosf zalf. U kciaf Fxutdxwa vqp kvm mvqr-tkmojs ulyn na suwjrpnc piz — iq zli aeoduw iykyrwg uauqvnkdmckb berpowor yihj gt xjxxl lxb tfwyz — xt ykk qdg ymtwmiwd.

Freya Pratty

Freya Pratty is Sifted's associate editor. She covers UK tech and leads Sifted's investigations. Follow her on X , LinkedIn and Bluesky

Sifted Daily newsletter

Sifted Daily newsletter

Weekdays

Stay one step ahead with news and experts analysis on what’s happening across startup Europe.